Conferencias Publicadas

Karthick Sekar, jose Jorge Rios Ramirez, Velumani Subramaniam, "STRUCTURAL, ELECTRONIC, AND OPTICAL PROPERTIES OF FORMAMIDINIUM LEAD IODIDE (FAPbI3) PEROVSKITES DETERMINED BY FIRST-PRINCIPLES CALCULATIONS WITH VAN DER WAALS INTERACTIONS" symposium F-2 (SF2-O020 - Oral presentation), Advances in Functional Semiconducting Materials, XXVII International Materials Research Congress, IMRC 2018 August 19 - 24, Cancun, Mexico.

Karthick Sekar, jose Jorge Rios Ramirez, Jorge Sergio Narro Rios, Velumani Subramaniam,"STRUCTURAL, MORPHOLOGICAL, AND OPTICAL PROPERTIES OF SOLUTION PROCESSED FORMAMIDINIUM LEAD IODIDE (FAPbI3) PEROVSKITES" symposium F2 (SF2-P023-Poster presentation), Advances in Functional Semiconducting Materials, XXVII International Materials Research Congress, IMRC 2018 August 19 - 24, Cancun, Mexico.

Karthick Sekar, Jose Jorge Rios-Ramirez, Velumani Subramaniam "12 Possible Orientations of organic Formamidinium cation and its structural analysis by First Principles calculations using Van der Waals-Density functional Theory" (ID- 104 - Oral presentation) 15th International Conference on Electrical Engineering, Computing Science and Automatic Control (CCE), 2018 Sep 5 - 7, Mexico city, Mexico.

Drisya Karathuparathottathil Damodharan, Myriam Solís López, Roberto Hernandez, Velumani Subramaniam, Jorge Sergio Narro Rios, Francisco Alvarado Cesar, "SYNTHESIS AND CHARACTERIZATION OF BiVO4/TiO2 THIN FILMS" symposium F2(SF.2 P030- Poster presentation), Advances in Functional Semiconducting Materials at the XXVII International Materials Research Congress, IMRC 2018 August 19-24, Cancun, Mexico.

Drisya Karathuparathottathil Damodharan, Myriam Solís López, Roberto Hernandez, Goldie Oza, Yasuhiro Matsumoto, Arturo Maldonado Alvarez, Maria de la Luz Olvera Amador, Mauricio Ortega López, Refugio Rodríguez-Vázquez, Juan Carlos Durán Álvarez,Abdel Hadi Kassiba, Velumani Subramaniam, PHOTOCATALYTIC OXIDATION OF ARSENIC (III) IN WATER USING THE SOL- GEL SYNTHESIZED BiVO4/TiO2 NANOCOMPOSITE" symposium F2 (SF2-0025 oral presentation), Advances in Functional Semiconducting Materials at the XXVII International Materials Research, IMRC 2018 August 19 - 24, Cancun, Mexico.

K.T.Drisya, Christeena Th-Th, M. Solís-López, R. Hernádez-Maya, CHROMIUM REMOVAL FROM DRINKING WATER USING RED MUD AS AN ADSORBENT(POSTER) ICSWTN - 2018, CIVESTAV, Mexico city Christeena Th-Th, M. Solís-López, R. Hernádez-Maya, M. BarajasAceves, J. C. Durán-Álvarez,. Tapía-Ramírez, José Álvaro Chávez Caravayar, Antonieta García Murillo, Felipe de Jesús Carillo Romo, Eleicer Ching Prado, S. Velumani, GO/TIO2 NANOCOMPOSITES FOR Escherichia coli PHOTOCATALYTIC INACTIVATION: THE ROLE OF REACTIVE OXYGEN SPECIES, Symposium F2 (SF2- O012 - Oral Presentation) , XXVII International Materials Research Congress, IMRC 2018 August 19 - 24, Cancun, Mexico.

Christeena Th-Th, K.T.Drisya, M. Solís-López, R. Hernádez-Maya, CHROMIUM REMOVAL FROM DRINKING WATER USING RED MUD AS AN ADSORBENT, Poster presentation, ICSWTN - 2018, CINVESTAV, Mexico city Christeena Th-Th, M. Solís-López, R. Hernádez-Maya, M. BarajasAceves, J. C. Durán-Álvarez,. Tapía-Ramírez, José Álvaro Chávez Caravayar, Antonieta García Murillo, Felipe de Jesús Carillo Romo, Eleicer Ching Prado, S. Velumani, GO/TIO2 NANOCOMPOSITES FOR Escherichia coli PHOTOCATALYTIC INACTIVATION: THE ROLE OF REACTIVE OXYGEN SPECIES, Symposium F2 (SF2- O012 - Oral Presentation) , XXVII International Materials Research Congress, IMRC 2018 August 19 - 24, Cancun, Mexico.

Christeena Th-Th, K.T.Drisya, M. Solís-López, R. Hernádez-Maya, CHROMIUM REMOVAL FROM DRINKING WATER USING RED MUD AS AN ADSORBENT, Poster presentatio, ICSWTN - 2018, CINVESTAV, Mexico city G. Regmi, J.S. Narro-Rios, M. Nwakanma, S. Velumani, Synthesis and Characterization of Selenized Stacked CIGSe Layers by Co-evaporation Technique, Poster presentation, (7th World Conference on Photovoltaic Energy Conversion (WCPEC), USA, June 10-15, 2018)

G. Regmi, J.S. Narro-Rios, A.Adhikari, F. Alvarado Cesar, S. Velumani, Synthesis and characterization of CdS buffer layer for CIGSe based solar cell, symposium F2 (SF2-P025-poster presentation) XXVII International Materials Research Congress, IMRC 2018 August 19-24, Cancun, Mexico. (winner of the Third place in best poster award).

G. Regmi, J.S. Narro-Rios, S. Velumani, Post-Selenization of CIGSe Stacked Metallic Layer Deposited by Co-evaporation Technique, symposium F2 (SF2-0018-Oral presentation) XXVII International Materials Research Congress, IMRC 2018 August 19-24, Cancun, Mexico.

G. Regmi, J.S. Narro-Rios, A. Adhikari, M. Nwakanma, F.A. PulgarinAgudelo, S. Velumani, Stacked Structural, Morphological, Topographical, and Electrical Properties of Selenized CIGSe Layers by Evaporation Technique, 15th CCE 2018, Session SSM:Thin film deposition and device fabrication, Oral presentation, September 06, 2018, Mexico.

G. Regmi, session Co-chair in 15th CCE 2018, Session SSM: Thin film deposition and device fabrication, 9:00-11:00 am, September 06 2018, Mexico.

G. Regmi, J.S. Narro-Rios, S. Velumani, Deposition and Characterization of Undoped ZnO, Al-doped ZnO, and ZnO/Al: ZnO Bilayer Thin Films Using Radio Frequency Magnetron Sputtering (submitted to MRS fall meeting and exhibit, poster presentation, November 25-30, Boston USA 2018.

Onyekachi Nwakanma, Jorge Narro Rios, Velumani Subramaniam, ELECTRICAL, MORPHOLOGICAL AND OPTICAL PROPERTIES OF OPTIMIZED RADIO-FREQUENCY SPUTTERED ALUMINUM DOPED ZINC OXIDE THIN FILMS FOR SOLAR CELL APPLICATIONS, Symposium F2, (SF.2-0011- Oral presentation) XXVII International Materials Research Congress, IMRC 2018 August 19 - 24, Cancun, Mexico.

Onyekachi Nwakanma, Jorge Narro Rios, Velumani Subramaniam, EFFECT OF COMPLEXING AGENTS ON OPTIMIZED DEPOSITION OF CDS BUFFER LAYER FOR HIGH-EFFICIENT CIGSE SOLAR CELLS, Symposium F2, (SF.2-P022- Poster presentation) XXVII International Materials Research Congress, IMRC 2018 August 19 - 24, Cancun, Mexico.

G. Regmi, P. Reyes-Figueroa, J. Vega, R. Asomoza, S. Velumani, ELECTRICAL AND OPTICAL PROPERTIES OF INTRINSIC ZnO THIN FILM DEPOSITED BY RF SPUTTERING, Symposium F8 (SF.8 - P020 - Poster presentation) XXVI International Materials Research Congress, IMRC 2017 August 20 - 25, Cancun, Mexico.

G. Regmi, P. Reyes-Figueroa, J. Vega, R. Asomoza, S. Velumani, CIGSe STACKED LAYERS DEPOSITED BY CO-EVAPORATION TECHNIQUE, Symposium F8 (SF.8-P065 - Poster presentation) XXVI International Materials Research Congress, IMRC 2017 August 20-25, Cancun, Mexico.

Sethuramachandran Thanikaikarasan, Sankaranarayanan Krishnasamy, Thaiyan Mahalingam, S. Velumani, ELECTROCHEMICAL, MICROSTRUCTURAL, COMPOSITIONAL AND OPTICAL CHARACTERIZATION OF COPPER OXIDE AND COPPER SULFHIDE THIN FILMS, Symposium F8 (SF.8 - P012 - Poster presentation) XXVI International Materials Research Congress, IMRC 2017 August 20-25, Cancun, Mexico.

Sethuramachandran Thanikaikarasan, Thaiyan Mahalingam, S. Velumani, STRUCTURAL, MORPHOLOGICAL, COMPOSITIONAL AND OPTICAL PROPERTIES OF ELECTROCHEMICALLY GROWN NICKEL OXIDE THIN FILMS, Symposium F8 (SF.8-P013 - Poster presentation) XXVI International Materials Research Congress, IMRC 2017 August 20-25, Cancun, Mexico.

Sethuramachandran Thanikaikarasan,Thaiyan Mahalingam, S. Velumani, INFLUENCE OF DOPANT CONCENTRATION ON Zn DOPED CADMIUM SELENIDE THIN FILMS GROWN USING ELECTRODEPOSITION, Symposium F8 (SF.8-P015 - Poster presentation) XXVI International Materials Research Congress, IMRC 2017 August 20-25, Cancun, Mexico.

Nwakanma, P. Reyes-Figueroa, J. Vega, R. Asomoza, S. Velumani, ELECTRICAL PROPERTIES OF DC SPUTTERED MOLYBDENUM FILMS: EFFECT OF SPUTTERING POWER AND PRESSURE, Symposium F8 (SF.8-P021 - Poster presentation) XXVI International Materials Research Congress, IMRC 2017 August 20-25, Cancun, Mexico.

R. Hernandez-Maya, M. Solís-López, Mercyrani B., S. Velumani, SYNTHESIS AND CHARACTERIZATION OF TiO2/MULTI-WALLED CARBON NANOTUBES HETEROSTRUCTURE. STUDY OF THE PHOTOCATALYTIC PROPERTIES ON THE POLLUTANTS DEGRADATION IN AQUEOUS PHASE, Symposium F8 (SF.8-P022 - Poster presentation) XXVI International Materials Research Congress, IMRC 2017 August 20-25, Cancun, Mexico.

KT. Drisya, M. Solís-López, R. Hernádez-Maya, P. Reyes, S. Velumani, SYNTHESIS AND CHARACTERIZATION OF BiVO4/ TiO2 NANOHETEROSTRUCTURE BY A MECHANOCHEMICAL, Symposium F8 (SF.8-P026 - Poster presentation) XXVI International Materials Research Congress, IMRC 2017 August 20-25, Cancun, Mexico.

M. Latha, R. Aruna Devi, P. Reyes-Figueroa, S. Velumani, Jaime Santoyo- Salazar, INFLUENCE OF REACTION TEMPERATURE ON CuInSe2 NANOPARTICLES SYNTHESIS BY THERMAL DECOMPOSITION METHOD, Symposium F8 (SF.8-P030 - Poster presentation) XXVI International Materials Research Congress, IMRC 2017 August 20-25, Cancun, Mexico.

Aruna Devi, M. Latha, P. Reyes-Figueroa, S. Velumani, Jaime Santoyo- Salazar, EVOLUTION PATHWAY OF CZTS NANOCRYSTALS OBTAINED BY HEATING-UP METHOD, Symposium F8 (SF.8-P031 - Poster presentation) XXVI International Materials Research Congress, IMRC 2017 August 20-25, Cancun, Mexico.

S. Karthick, P. Reyes, S. Velumani, R. Asomoza, PROPERTIES OF ALUMINUM DOPED ZINC OXIDE THIN FILM PREPARED BY RF MAGNETRON SPUTTERING FOR SOLAR CELL APPLICATIONS, Symposium F8 (SF.8-P039 - Poster presentation) XXVI International Materials Research Congress, IMRC 2017 August 20-25, Cancun, Mexico.

Sethuramachandran Thanikaikarasan, Thaiyan Mahalingam, S. Velumani, INFLUENCE OF SUBSTRATE ON FILM THICKNESS, MICROSTRUCTURAL, COMPOSITIONAL AND OPTICAL PROPERTIES OF IRON DISELENIDE THIN FILMS, Symposium F8 (SF.8-P059 - Poster presentation) XXVI International Materials Research Congress, IMRC 2017 August 20-25, Cancun, Mexico

Nwakanma, P. Reyes-Figueroa, R. Asomoza, J. Vega, S. Velumani, SYNTHESIS AND CHARACTERIZATION OF CIGSe POWDERS FROM COMPOUND PRECURSORS, Symposium F8 (SF.8-P068 - Poster presentation) XXVI International Materials Research Congress, IMRC 2017 August 20-25, Cancun, Mexico

Mercyrani B., R. Hernandez-Maya, M. Solís-López, S. Velumani, ORGANIC COMPOUND DEGRADATION IN AQUEOUS PHASE BY THE USE OF TiO2/Fe3O4 NANOCOMPOSITE HETEROSTRUCTURE, Symposium F8 (SF.8-P069 - Poster presentation) XXVI International Materials Research Congress, IMRC 2017 August 20-25, Cancun, Mexico

Solís-López, KT. Drisya, R. Hernádez-Maya, P. Reyes, S. Velumani, BISPHENOL-A DEGRADATION USING BIVO4/TIO2 NANO-HETEROSTRUCTURE AS PHOTOCATALYST, Symposium F8 (SF.8-P073 - Poster presentation) XXVI International Materials Research Congress, IMRC 2017 August 20-25, Cancun, Mexico

M. Latha, R. Aruna Devi, P. Reyes-Figueroa, S. Velumani, Fabián A. Pulgarín-Agudelo, Osvaldo Vigil-Galán, INFLUENCE OF Ga CONTENT ON Cu(In,Ga)Se2 NANOCRYSTALS SYNTHESIS BYHOT INJECTION METHOD, Symposium F8 (SF.8-P076 - Poster presentation) XXVI International Materials Research Congress, IMRC 2017 August 20-25, Cancun, Mexico

R. Aruna Devi, M. Latha, P. Reyes-Figueroa, S. Velumani, Fabián A. Pulgarín-Agudelo, Osvaldo Vigil-Galán, INFLUENCE OF COPPER CONCENTRATION ON THE PROPERTIES OF CZTS NANOCRYSTALS OBTAINED BY HEATING-UP METHOD, Symposium F8 (SF.8-P077 - Poster presentation) XXVI International Materials Research Congress, IMRC 2017 August 20-25, Cancun, Mexico

R. Venkatesan, S. Velumani, A. Kassiba, TAILORING SURFACE MORPHOLOGY OF SEMICONDUCTING BIVO4 THIN FILMS USING RFSPUTTERING, Symposium F8 (SF.8-P080 - Poster presentation) XXVI International Materials Research Congress, IMRC 2017 August 20-25, Cancun, Mexico.

R.Venkatesan, S.Velumani, A.Kassiba, A GREEN APPROACH SYNTHESIS OF BIVO4 WITH ENHANCED VISIBLE LIGHT PHOTODEGRADATION OF RHODAMINE 6G AND METHYLENE BLUE Symposium F8 (SF.8-P034 - Poster presentation) XXVI International Materials Research Congress, IMRC 2017 August 20-25, Cancun, Mexico

S. Velumani, APPLICATION OF A SEQUENTIAL TREATMENT PROCESS FOR HEAVY METAL REMOVAL IN DRINKING WATER, BASED ON PHOTOCATALYSIS AND ADSORPTION PROCESS, Symposium I (SWMC – O028 Oral presentation) XXVI International Materials Research Congress, IMRC 2017 August 20-25, Cancun, Mexico

R. Hernandez-Maya, S. Velumani, M. Solis-Lopez, HEAVY METALS REMOVAL FROM DRINKING WATER BY THE USE OF NANOFUNCTIONALIZED NON-CONVENTIONAL ADSORBENTS MATERIALS. Symposium I (SWMC-O026 – Oral presentation) XXVI International Materials Research Congress, IMRC 2017 August 20-25, Cancun, Mexico

E. Jiménez-Castañeda, P. Sánchez-Villegas, S. Velumani & R. Rodríguez-Vázquez, USE OF NON-CONVENTIONAL MATERIALS FOR THE REMOVAL OF HEAVY METALS FROM WATER, Symposium I (SWMC - O024 – Oral presentation) XXVI International Materials ResearchCongress, IMRC 2017 August 20-25, Cancun, Mexico

M. Solís-López, KT. Drisya, R. Hernández-Maya, R. RodríguezVázquez, M. Barajas-Aceves, Y. Matsumoto-Kuwabara, A. MaldonadoÁlvarez, M. Olvera-Amador, S. Velumani “Degradación fotocatali´tica azul ácido 113 usando nanocompositos de BiVO4/TiO2 bajo luz irradiación visible: efecto de la concentración de BiVO4” (presentación oral) V Congreso Nacional de Estudiantes de Energías Renovables, CNEER 2017 November 7-9, Temixco, Mexico.

R. Hernádez-Maya, Mercyrani B. M. Solís-López, José Álvaro Chávez Caravayar, Antonieta García Murillo, Felipe de Jesús Carillo Romo, Kassiba Abdelhadi, Eleicer Ching Prado, S. Velumani “Degradación fotocatalítica de Naranja G con un material nanocompuesto de TiO2 /Fe 3O4” (presentación - poster) V Congreso Nacional de Estudiantes de Energías Renovables, CNEER 2017November 7-9, Temixco.

M. Latha, R. Aruna Devi, P. Reyes-Figueroa, M. Rohini, Goldie Oza and S. Velumani “Selenization of doctor bladed Cu(In,Ga)Se2 thin films using submicron particles for solar cell applications” Symposium F9 (SF.9-O004 -Talk presentation) XXV International Materials Research Congress, IMRC 2016 August 14-19, Cancun, Mexico.

M. Rohini, P. Reyes-Figueroa, F. A. Pulgarín-Agudelo, M. Latha, R. Aruna Devi, S. Velumani and O. Vigil-Galàn “Recrystallization of CIGSe films using selenized off-stoichiometric powders” Symposium F9 (SF.9-P010 -Poster presentation) XXV International Materials Research Congress, IMRC 2016 August 14-19, Cancun, Mexico.

M. Rohini, P. Reyes-Figueroa, F. A. Pulgarín-Agudelo, M. Latha, R. Aruna Devi, J. R. Aponte, S. Velumani and O. Vigil-Galàn “The effect of annealing temperature on the properties of selenised CIGSe films” Symposium F9 (SF.9-P011 -Poster presentation) XXV International Materials Research Congress, IMRC 2016 August 14-19, Cancun, Mexico.

M. Latha, R. Aruna Devi, P. Reyes-Figueroa, M. Rohini, Goldie Oza, L.F. Hurtado-Urbiola and S. Velumani “Facile one pot synthesis of Cu(In,Ga)Se2 submicron particles: Influence of Cu concentrations” Symposium F9 (SF.9-P014 -Poster presentation) XXV International Materials Research Congress, IMRC 2016 August 14-19, Cancun, Mexico.

R. Aruna Devi, M. Latha, P.Reyes-Figueroa, M. Rohini, Goldie Oza and S. Velumani “Optimization of Cu2ZnSn(S,Se)4 thin films using CZTS nanopowders by knife coating method”, Symposium F9 (SF.9-O029- Talk presentation), XXV International Materials Research Congress 2016, IMRC 2016 August 14-19, Cancun, Mexico.

P.Reyes-Figueroa, T. Painchaud, L. Arzel, N. Barreau, S. Velumani “Growth of CuInSe2 absorber layers by hybrid deposition process”, Symposium F9 (SF.9-P031-Poster presentation), XXV International Materials Research Congress 2016, IMRC 2016 August 14-19, Cancun, Mexico.

P.Reyes-Figueroa, T. Painchaud, L. Arzel, N. Barreau, S. Velumani “Co-evaporation growth of Cu(In,Ga)Se2 thin films obtained from In2Se3 precursors films; Effect of precursor deposition temperature”, Symposium F9 (SF.9-P032-Poster presentation), XXV International Materials Research Congress 2016, IMRC 2016 August 14-19, Cancun, Mexico.

R. Aruna Devi, M. Latha, P. Reyes-Figueroa, M. Rohini, Goldie Oza and S. Velumani “Synthesis of pristine kesterite Cu2ZnSnS4 nanoparticles by hot-injection method for solar cell applications”, Symposium F9 (SF.9-P060-Poster presentation), XXV International Materials Research Congress 2016, IMRC 2016 August 14-19, Cancun, Mexico

Latha Marasamy, Aruna Devi Rasu Chettiar, P.Reyes Figueroa, Rohini Mohan, Velumani Subramaniam, Adolfo Tavira Fuentes, Miguel Galván Arellano and F. Javier Ramírez Aponte, Influence of Reaction Time on Cu(In,Ga)Se2 Particle Synthesis by Thermal Decomposition Method, IEEE, 13th International Conference on Electrical Engineering, Computing Science and Automatic Control (CCE), 2016.

Aruna Devi Rasu Chettiar, Latha Marasamy, Rohini Mohan, P.Reyes Figueroa, Velumani Subramaniam, Adolfo Tavira Fuentes, Miguel Galván Arellano, F. Javier Ramírez Aponte and Jaime Santoyo Salazar, Facile One Pot Synthesis of Single Phase Kesterite Cu2ZnSnS4 Nanocrystals, IEEE, 13th International Conference on Electrical Engineering, Computing Science and Automatic Control (CCE), 2016.

Pablo Reyes Figueroa, Thomas Painchaud, Ludovic Arzel, Nicolas Barreau, Velumani Subramaniam, Effect of annealing temperature on nickel titanate thin films prepared by co-sputtering process “Spray pyrolysis/ co-evaporation hybrid growth of Cu(In, Ga)Se2 thin films obtained from In2Se3 precursor films”, Symposium 7A (S7A-O002- Talk presentation), XXIV International Materials Research Congress, IMRC 2015 August 16-20,Cancun, Mexico.
Latha Marasamy, Aruna Devi Rasu Chettiar, Pablo Reyes Figueroa, Rohini Neendoor Mohan, Goldie Oza, Velumani Subramaniam, “Synthesis of CuIn1−xGaxSe2 nanostructures by thermal decomposition method with tunable optical properties”, Symposium 7A (S7A-O004-Talk presentation), XXIV International Materials Research Congress, IMRC 2015 August 16-20,Cancún, México.
Rohini Neendoor Mohan, Pablo Reyes Figueroa, Latha Marasamy, Goldie Oza, Velumani Subramaniam, “The role of se content on the grain growth of selenized Cu(In,Ga)Se2 thin films” Symposium 7A (S7A-O005-Talk presentation), XXIV International Materials Research Congress, IMRC 2015 August 16-20,Cancun, Mexico.
Victor Ishrayelu Merupo, Abdel-Hadi Kassiba, Velumani Subramaniam, “Rf sputtering synthesis of cu and Mo doped BIVO4 thin films and investigations of related features for efficient photocatalysis”, Symposium 7A (S7A-O013-Talk presentation), XXIV International Materials Research Congress, IMRC 2015 August 16-20, Cancun, Mexico.
M.Latha, R.Aruna Devi, S.Velumani, I.G. Becerril-Juarez, R.Asomoza and Junsin Yi Synthesis and characterization of cigs nanoparticles by thermal decomposition method for solar cell applications International Conference on Microelectronics and Plasma technology, ICMAP 2014, July 8-11, Gunsan, Korea
Sethuramachandran Thanikaikarasan, Kandasamy Sankaranarayanan, Thaiyan Mahalingam, Velumani Subramaniam, “Studies on electrochemically grown copper oxide thin films” Symposium 7A (S7A-P004-Poster presentation), XXIV International Materials Research Congress, IMRC 2015 August 16-20,Cancun, Mexico.
Paulraj Jeyakumar Jeyakumar, Sethuramachandran Thanikaikarasan, Balan Natarajan Natarajan, Thaiyan Mahalingam, Velumani Subramaniam, “Electrochemical growth and characterization of copper telluride thin films” Symposium 7A (S7A-P005-Poster presentation), XXIV International Materials Research Congress, IMRC 2015 August 16-20,Cancun, Mexico.
Sethuramachandran Thanikaikarasan, Thaiyan Mahalingam, Velumani Subramaniam, “Electrochemical growth and microstructual characterization of antimony selenide thin films on different substrates”,. Symposium 7A (S7A-P007-Poster presentation), XXIV International Materials Research Congress, IMRC 2015 August 16-20, Cancun, Mexico.
R.Aruna Devi, M.Latha, S.Velumani, I. G. Becerril-Juarez, R.Asomoza and Junsin Yi Synthesis and characterization of cds nanoparticles by chemical precipitation method International Conference on Microelectronics and Plasma technology, ICMAP 2014, July 8-11, Gunsan, Korea.
R. Aruna Devi, M.Latha, S.Velumani, I. G. Becerril-Juarez, R.Asomoza and Junsin Yi. Effect of temperature on cds nanoparticles by co-precipitation method XXII International Materials Research Congress, IMRC 2014, August 17-21,Cancun, Mexico.
11. R. Aruna Devi, M.Latha, S.Velumani, I. G. Becerril-Juarez, R.Asomoza and Junsin Yi Time-dependent cds nanoparticle by chemical precipitation method XXII International Materials Research Congress, IMRC 2014, August 17-21,Cancun, Mexico.
R.Aruna Devi, M.Latha, S.Velumani, I.G.Becerril-Juarez, Jae-Hyeong Lee, Donguk Kim, Wonkyu Chae, Minha Kimand Junsin Yi Synthesis and characterization of cds nanoparticles by co-precipitation method Global Photovoltaic Conference, International Symposium on Photovoltaics (ISP 2014) November 10-11,BEXCO, Busan, Korea.
Goldie oza, M. Ravichandran, S. Velumani, R. Asomoza Biological synthesis of metal sulfide semi-conducting nanocrystals symposium 7A, Advances In Functional Semiconducting Materials, XXII International Materials Research Congress, IMRC-2014, August 17 - 21, Cancún, México.
M. Ravichandran, Goldie Oza, S. Velumani, Jose Tapia, Francisco Sierra-Garcia, Norma Barragan Andrade Biological synthesis of metal sulfide semi-conducting nanocrystals symposium 7A, Advances In Functional Semiconducting Materials, XXII International Materials Research Congress, IMRC-2014, August 17 - 21, Cancún, México.
García, G. Oza, V. Subramaniam, R. Asomoza Physical Model of a Surface Plasmon Resonance Sensor symposium 2B, Materials for Biosensor Applications, XXII International Materials Research Congress, IMRC-2014, August 17 - 21, Cancún, México.
M. Ravichandran, Goldie Oza, S. Velumani, Jose Tapia, Francisco Sierra-Garcia, Norma Barragan Andrade, R. Asomoza. Core/Shell Nanoclusters of Doxorubicin Functionalized Au-M (Co, Mn) Fe2o4: A Theranostic approach for Cancer Therapeutics, symposium 2C, Biomaterials for medical applicationsd XXII International Materials Research Congress, IMRC-2014, August 17 - 21, Cancún, México
Goldie oza, R. Manisekaran, S. Velumani, Jose Tapia, Francisco Sierra-Garcia, Norma Barragán Andrade, R. Asomoza. Designing a drug-delivery vehicle with Au-Fe3O4-Graphene Quantum dots: A Tri-pronged mechanism for Bioimaging, synaphic delivery and apoptosis induction in Cancer cells, symposium 2C, Biomaterials for medical applications XXII International Materials Research Congress, IMRC-2014, August 17 - 21, Cancún, México.
M.Victor Ishrayelu, N. Errien, S. Velumani and A. Kassiba. Solgel prepared copper doped bivo4 pellets for photocatalyticapplications Oral presentation, XXII International Materials Research Congress, IMRC-2014, 17-22th August 2014, Cancun, Mexico
M.Victor Ishrayelu, N. Errien, M.Edely, S. Velumani and A. Kassiba Silver doped bivo4 thinfilms with morphology of nanofibres deposited by rf sputtering technique Poster presentation XXII International Materials Research Congress, IMRC-2014, 17-22th August 2014, Cancun, Mexico.
M.Victor Ishrayelu, S. Velumani, A. Kassiba and M. A. García-Sánchez. Structural and Optical properties of Molybdenum doped Bismuth vanadate powders Oral presentation,11th International Conference on Electrical Engineering, ComputingScience and Automatic Control (CCE)- 30 Sept-3 Oct-2014, Cuidad del Carmen, Mexico.
M.Rohini, P.Reyes, S.Velumani, I. G. Becerril-Juárez, Junsin Yi Structural properties of cigs thin film deposited by spin coating Symposium 7A, XIII International Materials Research Congress, IMRC-2014, Aug 17-21, Cancún, México.
M.Rohini, P.Reyes, S.Velumani, I.G.Becerril- Juárez. Effect of milling time on mechanically alloyed Cu(In,Ga)Se2 nanoparticles Solid-state materials, Electron Devices and Integrated Circuits (SSM) 1, 11th International Conference on Electrical Engineering, Computing Science and Automatic Control,CCE-2014,Sep 29-Oct 3, Ciudad del Carmen, Campeche, Mexico.n, Mexico
M.Rohini , P.Reyes, S.Velumani, M.Latha, Goldie oza, I. Becerril-Juarez. Synthesis and optimization of cigs naoparticle by mechanochemical process symposium 7A (poster P073), XIII International Materials Research Congress, IMRC-2014, Aug 17-21, Cancún, México./td>
M.Rohini , P.Reyes, S.Velumani, M.Latha, Goldie oza, I. Becerril-Juarez. Structural and morphological studies of CIGS thin film deposited using nanoparticle based ink Topic CIG (poster P-74),Global photovoltaic Conference,GPVC-2014,Nov 10-11,Busan,Korea.

B. J. Babu, M. A. Ruiz Preciado, M. Edely, A. Jouanneaux, S. Velumani, A. Kassiba Effect of annealing temperature on nickel titanate thin films prepared by co-sputtering process Symposium 7A (0031-Invited talk), XXIII International Materials Research Congress, IMRC 2014, August 17-21, Cancun, Mexico.
B. J. Babu, S. Velumani, B. J. Simonds, R. K. Ahrenkiel, A. Kassiba, R. Asomoza Effect of sodium doping on graded Cu(In1-xGax)Se2 thin films prepared by chemical spray pyrolysis Symposium S7A (Poster 090), XXIII International Materials Research Congress, IMRC 2014, August 17-21, Cancun, México.
B. J. Babu, S. Velumani, J. Arenas-Alatorre, A.Kassiba, R. Asomoza. Structural properties of ultrasonically sprayed Al-doped ZnO (AZO) thin films: effect of ZnO buffer layer on AZO B. J. Babu, S. Velumani, J. Arenas-Alatorre, A.Kassiba, R. Asomoza. Symposium S7A (Poster 088), XXIII International Materials Research Congress, IMRC 2014, August 17-21, Cancun, México.
Abraham García, Velumani Subramaniam, Goldie Oza, René Azomoza Implementation of a surface plasmon resonance sensor using Au-Fe3O4 nanoparticles Symposium 2B XXIII International Materials Research Congress, IMRC-2014, Aug 17-21, Cancún, México.
M.Latha, R.Aruna Devi, S.Velumani, I.G. Becerril-Juarez, R.Asomoza and Junsin Yi Synthesis and characterization of cigs nanoparticles by thermal decomposition method for solar cell applications International Conference on Microelectronics and Plasma technology, ICMAP 2014, July 8-11, Gunsan, Korea
M.Latha, R.Aruna Devi, S.Velumani, I.G. Becerril-Juarez, R.Asomoza and Junsin Yi Formation mechanism of cuin0.7ga0.3se2 nanoparticles by thermal decomposition method Global Photovoltaic Conference, Internatio
M.Latha, R.Aruna Devi, S.Velumani, I.G. Becerril-Juarez, R.Asomoza and Junsin Yi Time-dependent cigs nanoparticle synthesis by hot injection method for solar cell applications Congress, IMRC 2014, August 17-21,Cancun, Mexico.
8. M.Latha, R.Aruna Devi, S.Velumani, I.G. Becerril-Juarez, R.Asomoza and Junsin Yi Formation mechanism of cuin0.7ga0.3se2 nanoparticles by thermal decomposition method Global Photovoltaic Conference, International Symposium on Photovoltaics (ISP 2014) November 10-11, BEXCO, Busan, Korea.
R.Aruna Devi, M.Latha, S.Velumani, I. G. Becerril-Juarez, R.Asomoza and Junsin Yi Synthesis and characterization of cds nanoparticles by chemical precipitation method International Conference on Microelectronics and Plasma technology, ICMAP 2014, July 8-11, Gunsan, Korea.
R. Aruna Devi, M.Latha, S.Velumani, I. G. Becerril-Juarez, R.Asomoza and Junsin Yi. Effect of temperature on cds nanoparticles by co-precipitation method XXII International Materials Research Congress, IMRC 2014, August 17-21,Cancun, Mexico.
11. R. Aruna Devi, M.Latha, S.Velumani, I. G. Becerril-Juarez, R.Asomoza and Junsin Yi Time-dependent cds nanoparticle by chemical precipitation method XXII International Materials Research Congress, IMRC 2014, August 17-21,Cancun, Mexico.
R.Aruna Devi, M.Latha, S.Velumani, I.G.Becerril-Juarez, Jae-Hyeong Lee, Donguk Kim, Wonkyu Chae, Minha Kimand Junsin Yi Synthesis and characterization of cds nanoparticles by co-precipitation method Global Photovoltaic Conference, International Symposium on Photovoltaics (ISP 2014) November 10-11,BEXCO, Busan, Korea.
Goldie oza, M. Ravichandran, S. Velumani, R. Asomoza Biological synthesis of metal sulfide semi-conducting nanocrystals symposium 7A, Advances In Functional Semiconducting Materials, XXII International Materials Research Congress, IMRC-2014, August 17 - 21, Cancún, México.
M. Ravichandran, Goldie Oza, S. Velumani, Jose Tapia, Francisco Sierra-Garcia, Norma Barragan Andrade Biological synthesis of metal sulfide semi-conducting nanocrystals symposium 7A, Advances In Functional Semiconducting Materials, XXII International Materials Research Congress, IMRC-2014, August 17 - 21, Cancún, México.
García, G. Oza, V. Subramaniam, R. Asomoza Physical Model of a Surface Plasmon Resonance Sensor symposium 2B, Materials for Biosensor Applications, XXII International Materials Research Congress, IMRC-2014, August 17 - 21, Cancún, México.
M. Ravichandran, Goldie Oza, S. Velumani, Jose Tapia, Francisco Sierra-Garcia, Norma Barragan Andrade, R. Asomoza. Core/Shell Nanoclusters of Doxorubicin Functionalized Au-M (Co, Mn) Fe2o4: A Theranostic approach for Cancer Therapeutics, symposium 2C, Biomaterials for medical applicationsd XXII International Materials Research Congress, IMRC-2014, August 17 - 21, Cancún, México
Goldie oza, R. Manisekaran, S. Velumani, Jose Tapia, Francisco Sierra-Garcia, Norma Barragán Andrade, R. Asomoza. Designing a drug-delivery vehicle with Au-Fe3O4-Graphene Quantum dots: A Tri-pronged mechanism for Bioimaging, synaphic delivery and apoptosis induction in Cancer cells, symposium 2C, Biomaterials for medical applications XXII International Materials Research Congress, IMRC-2014, August 17 - 21, Cancún, México.
M.Victor Ishrayelu, N. Errien, S. Velumani and A. Kassiba. Solgel prepared copper doped bivo4 pellets for photocatalyticapplications Oral presentation, XXII International Materials Research Congress, IMRC-2014, 17-22th August 2014, Cancun, Mexico
M.Victor Ishrayelu, N. Errien, M.Edely, S. Velumani and A. Kassiba Silver doped bivo4 thinfilms with morphology of nanofibres deposited by rf sputtering technique Poster presentation XXII International Materials Research Congress, IMRC-2014, 17-22th August 2014, Cancun, Mexico.
M.Victor Ishrayelu, S. Velumani, A. Kassiba and M. A. García-Sánchez. Structural and Optical properties of Molybdenum doped Bismuth vanadate powders Oral presentation,11th International Conference on Electrical Engineering, ComputingScience and Automatic Control (CCE)- 30 Sept-3 Oct-2014, Cuidad del Carmen, Mexico.
M.Rohini, P.Reyes, S.Velumani, I. G. Becerril-Juárez, Junsin Yi Structural properties of cigs thin film deposited by spin coating Symposium 7A, XIII International Materials Research Congress, IMRC-2014, Aug 17-21, Cancún, México.
M.Rohini, P.Reyes, S.Velumani, I.G.Becerril- Juárez. Effect of milling time on mechanically alloyed Cu(In,Ga)Se2 nanoparticles Solid-state materials, Electron Devices and Integrated Circuits (SSM) 1, 11th International Conference on Electrical Engineering, Computing Science and Automatic Control,CCE-2014,Sep 29-Oct 3, Ciudad del Carmen, Campeche, Mexico.n, Mexico
M.Rohini , P.Reyes, S.Velumani, M.Latha, Goldie oza, I. Becerril-Juarez. Synthesis and optimization of cigs naoparticle by mechanochemical process symposium 7A (poster P073), XIII International Materials Research Congress, IMRC-2014, Aug 17-21, Cancún, México./td>
M.Rohini , P.Reyes, S.Velumani, M.Latha, Goldie oza, I. Becerril-Juarez. Structural and morphological studies of CIGS thin film deposited using nanoparticle based ink Topic CIG (poster P-74),Global photovoltaic Conference,GPVC-2014,Nov 10-11,Busan,Korea.

Peacuterez-Caro, M.; Ramiacuterez-Loacutepez, M.; Rojas-Ramiacuterez, J.S.; Martiacutenez-Velis, I.; Casallas-Moreno, Y.; Gallardo-Hernaacutendez, S.; Babu, B.J.; Velumani, S.; Loacutepez-Loacutepez, M., Group III-nitrides nanostructures Source: AIP Conference Proceedings Volume: 1420 Pages: 164-8 Published: 2012 DOI: 10.1063/1.3678628, Conference Information: Advanced Summer School in Physics 2011: Eav2011 Mexico City, Mexico, 25-29 July 2011 AIP Conference Proceedings Volume: 1420 Pages: 164-8 Published: 2012 DOI: 10.1063/1.3678628
Venkatesan.Rajalingam, S.Velumani, A.Kassiba Comprative Synthesis Routes For Photocatalytic Nanostructured Bismuth Vanadate SYMPOSIUM : 1A. LOW DIMENSIONAL BISMUTH-BASED MATERIALS, (ORAL S1A-O021), XXI International Materials Research Congress, , IMRC-2012, Aug 12-17, Cancún, México.
Venkatesan.Rajalingam, S.Velumani, A.Kassiba Growth Mechanism Of BiVO4 Thin Films Deposited By Rf Sputtering And Its Characterization SYMPOSIUM : 1A. LOW DIMENSIONAL BISMUTH-BASED MATERIALS, (Poster S1A-P014) , XXI International Materials Research Congress, , IMRC-2012, Aug 12-17, Cancún, México.
J E Romero-Ibarra, I Blanco-Jarvio, V. Subramanian and P S Schabes-Retchkiman, Reverse-Micellar Synthesis Of Bismuth Colloidal Nanoparticles SYMPOSIUM : 1A. LOW DIMENSIONAL BISMUTH-BASED MATERIALS, (Poster S1A-P027), XXI International Materials Research Congress, , IMRC-2012, Aug 12-17, Cancún, México.
29. B. J. Babu, S. Velumani Deposition And Characterization Of CIGS Based Superstrate Device Structure By Chemical Spray Pyrolysis Symposium 6c. Advances In Semiconducting Materials (ORAL TALK6C-O023), Symposium: 6C. ADVANCES IN SEMICONDUCTING MATERIALS, XXI International Materials Research Congress, IMRC-2012, Aug 12-17, Cancún, México.
De Vizcaya-Ruiz, M. Esquivel-Gaón, O. Barbier, M. Uribe-Ramirez, J. Narváez-Morales, J. Muñoz-Saldaña, R. Venkatesan, S. Velumani, I. Lynch, A. O’Connell, K. Dawson, S. Anguissol Biointeraction And In Vitro Toxicity Of Different Functionalized Bismuth Nanoparticles In Target Cells Symposium : 1a. Low Dimensional Bismuth-Based Materials, (Poster S1A-P029), XXI International Materials Research Congress, , IMRC-2012, Aug 12-17, Cancún, México.
P. Reyes, S. Velumani CIS And CIS-Nanopowder Solution As Precursor For Cis Thin Films Deposited By Ultrasonic Spray Pyrolysis Symposium: 6C. ADVANCES IN SEMICONDUCTING MATERIALS, XXI International Materials Research Congress, , IMRC-2012, Aug 12-17, Cancún, México.
P. Reyes, S. Velumani, M. Rohini Preapration Of Sputtering Target Based On Mechanochemically Synthesized CIS Nanopowder SYMPOSIUM: 6C. ADVANCES IN SEMICONDUCTING MATERIALS, XXI International Materials Research Congress, , IMRC-2012, Aug 12-17, Cancún, México.
Venkatesan.R, S.Velumani, A.Kassiba The Effect Of Depostion Parameters On Rf Sputtered BiVO4 Thin Films SYMPOSIUM: 6C. ADVANCES IN SEMICONDUCTING MATERIALS, XXI International Materials Research Congress, , IMRC-2012, Aug 12-17, Cancún, México.
34. B. J. Babu, Brian J. Simonds, Richard K. Ahrenkiel, S. Velumani Carrier life-time measurements of Cu(In1-XGaX)Se2 thin films using TMPCD Symposium 6C. ADVANCES IN SEMICONDUCTING MATERIALS, XXI International Materials Research Congress, , IMRC-2012, Aug 12-17, Cancún, México.
35. J. Reyes, Á. de J. Morales, F. de J. Carrillo Romo, A.García, M. García, V. Subramaniam Synthesis of high thickness sensitized TiO2 photoelectrodes by the sol-gel method SYMPOSIUM 6C. ADVANCES IN SEMICONDUCTING MATERIALS, XXI International Materials Research Congress, , IMRC-2012, Aug 12-17, Cancún, México.
Ángeles-Pascual1, M. Galván-Arellano1, R. Baca-Arroyo2, R. Peña-Sierra1, S. Velumani Luminescence properties of fe doped zno thin films obtained by thermal oxidation SYMPOSIUM 6C. ADVANCES IN SEMICONDUCTING MATERIALS, XXI International Materials Research Congress, , IMRC-2012, Aug 12-17, Cancún, México.

Velumani, S., Babu, B.J., Vidhya, B., Reyes, P., Angeles, A., Asomoza, R. Preparation, deposition of Cu(In 1-xGa x)Se 2 nanopowder thin films by non-vacuum processes and its characterization Conference Record of the IEEE Photovoltaic Specialists Conference , art. no. 6185988 , pp. 000440-000445 2011
Babu, B.J., Velumani, S., Asomoza, R. An (ITO or AZO)/ZnO/Cu(In 1-xGa x)Se 2 superstrate thin film solar cell structure prepared by spray pyrolysis Conference Record of the IEEE Photovoltaic Specialists Conference , art. no. 6186181 , pp. 001238-001243, 2011
B. J. Babu, S. Velumani, J. Arenas-Alatorre, A.Kassiba, R. Asomoza. Structural properties of ultrasonically sprayed Al-doped ZnO (AZO) thin films: effect of ZnO buffer layer on AZO B. J. Babu, S. Velumani, J. Arenas-Alatorre, A.Kassiba, R. Asomoza. Symposium S7A (Poster 088), XXIII International Materials Research Congress, IMRC 2014, August 17-21, Cancun, México.
Srinivas Godavarthi, Ateet Dutt, Yasuhiro Matsumoto, S.Velumani and Gargi Raina PHOTOLUMINESCENCE OF AS DEPOSITED HYDROGENATED NANAOCRYSTALLINE-SILICON EMBEDDED IN SILICON-OXIDE BYHOT-WIRE CVD Symposium 5 (oral 24) XXI International Materials Research Congress, IMRC-2011, Aug 14-19, Cancún, México.
40. V. Dhanasekaran1, T. Mahalingam, R. Chandramohan2, A. Kathalingam3, Jin-Koo Rhee3, S. Velumani4 STRUCTURAL, OPTICAL AND MORPHOLOGICAL PROPERTIES OF CdS THIN FILMS Symposium 3 (poster 022) XXI International Materials Research Congress, IMRC-2011, Aug 14-19, Cancún, México
41. H. Castaneda and S.Velumani CHARACTERIZATION OF ACTIVE SITES IN DEPOSITED NICKEL BASED COATINGS BY EIS AND IMPEDANCE MAPPING Symposium 3 (invited 08) XXI International Materials Research Congress, IMRC-2011, Aug 14-19, Cancún, México
Jagadeesh Babu Bellam, Velumani Subramaniam EFFECT OF SUBSTRATE TEMPERATURE AND GALLIUM COMPOSITION ON CU(IN1-XGAX)SE2 THIN FILMS PREPARED BY CHEMICAL SPRAY PYROLYSIS Symposium 5 (oral 18) XXI International Materials Research Congress, IMRC-2011, Aug 14-19, Cancún, México
Pablo Reyes, Velumani Subramaniam MECHANOCHEMICALLY SYNTHESIZED CUIN1-XGAXSE2NANOPOWDERS Symposium 5 (poster 069) XXI International Materials Research Congress, IMRC-2011, Aug 14-19, Cancún, México.
Venkatesan Rajalingam, Velumani Subramaniam SYNTHESIS OF BIVO4 BY MECHANOCHEMICAL PROCESS AND ITS CHARACTERIZATION Symposium 5 (oral 25) XXI International Materials Research Congress, IMRC-2011, Aug 14-19, Cancún, México.
Venkatesan Rajalingam, Velumani Subramaniam EFFECT OF MILLING TIME ON BIVO4 NANOPARTICLES SYNTHESIZED BY MECHANOCHEMICAL PROCESS Symposium 5 (poster 080) XXI International Materials Research Congress, IMRC-2011, Aug 14-19, Cancún, México
Pablo Reyes, Jagadeesh Babu, Velumani Subramaniam STUDIES ON TEXTURED ZNO THIN FILMS USING CHEMICAL WET ETCHING METHODS Symposium 5 (poster 105) XXI International Materials Research Congress, IMRC-2011, Aug 14-19, Cancún, México
Jagadeesh Babu Bellam, Velumani Subramaniam INFLUENCE OF SODIUM DOPING ON CU(IN1-XGAX)SE2 THIN FILMS PREPARED BY CHEMICAL SPRAY PYROLYSIS Symposium 5 (poster 109) XXI International Materials Research Congress, IMRC-2011, Aug 14-19, Cancún, México
Alvaro Angeles, Jorge Uruchurtu, Velumani Subramaniam ELECTROCHEMICAL EFFICIENCY IN ANODES OF SACRIFICE AL-ZN-BI Symposium 7 (oral 11) XXI International Materials Research Congress, IMRC-2011, Aug 14-19, Cancún, México
49. Shiva Farhangi, Velumani Subramaniam, Arunachalanadar Mada Kannan PD70RU20V10 SUPPORTED ON DIFFERENT TYPES OF NANO CARBONS FOR OXYGEN REDUCTION REACTION IN PROTON EXCHANGE MEMBERANE FUEL CELLS Symposium 10 (poster 20) XXI International Materials Research Congress, IMRC-2011, Aug 14-19, Cancún, México
Shiva Farhangi, Velumani Subramaniam, Arunachalanadar Mada Kannan SYNTHESIZING AND CHARACTERIZING OF PDXRUYVZ AS A CATHODIC CATALYST IN PEMFC Symposium 10 (poster 55) XXI International Materials Research Congress, IMRC-2011, Aug 14-19, Cancún, México
Balakrishnan G., Kuppusami P., Murugesan S., Mohandas E., Velumani Subramaniam, Sastikumar D. THERMAL STABILITY OF PULSED LASER DEPOSITED CERIA THIN FILMS Symposium 24 (poster 10) XXI International Materials Research Congress, IMRC-2011, Aug 14-19, Cancún, México

B.Vidhya, S.Velumani, R.Venkatesan and R.Asomoza PREPARATION OF Cu (In1-x Gax) Se2 THIN FILMS BY CHEMICAL SPRAY PYROLYSis SYMPOSIUM 9, XIX International Materials Research Congress, Symp 9, IMRC-2010, Aug 15-19, Cancún, México.
R. Thrinath Reddy, B. J. Babu, A. Maldonado, M. de la L. Olvera, S. Velumani, EFFECT OF BALL MILLING OF PRECURSORS ON PHYSICAL PROPERTIES OF AL DOPED ZnO PREPARED BY ULTRASONIC SPRAY PYROLYSIS SYMPOSIUM 9, XIX International Materials Research Congress, Symp 9, IMRC-2010, Aug 15-19, Cancún, México
B.Vidhya, S.Velumani, R.Venkatesan and R.Asomoza. EFFECT OF LATTICE STRAIN AND STRUCTURAL DEFECTS INDUCED IN MW-CBD CdZnS THIN FILMS SYMPOSIUM 9, XIX International Materials Research Congress, Symp 9, IMRC-2010, Aug 15-19, Cancún, México.
MR.Manikandan, S.D.Gopal Ram, S.Sankar, G.Ravi T.Mahalingam, S.Velumani, GROWTH AND CHARACTERIZATION OF ORGANIC DAST SINGLE CRYSTALS USING A NEW SOLVENT SYMPOSIUM 9, XIX International Materials Research Congress, Symp 9, IMRC-2010, Aug 15-19, Cancún, México..
S.D.Gopal Ram, G.Ravi1, T.Mahalingam, M. Anbu Kulandainathan, S. Velumani CONTROLLED HYDROTHERMAL GROWTH OF ZnO NANOSTRUCTURES BY SEQUESTERING THE Zn METAL IONS WITH THE CHELATING AGENT EDTA SYMPOSIUM 9, XIX International Materials Research Congress, Symp 9, IMRC-2010, Aug 15-19, Cancún, México.
B. J. Babu, S. Velumani, A. Kassiba, N. Errien and R. Asomoza, STRUCTURAL AND DIELECTRICAL STUDIES ON MECHANO-CHEMICALLY SYNTHESIZED IN DOPED Cds NANOPOWDERS SYMPOSIUM 9, XIX International Materials Research Congress, Symp 9, IMRC-2010, Aug 15-19, Cancún, México
G.Ravi, S.D.Gopal Ram, K.Kitamura, T. Mahalingam, S. Velumani, THE DETERMINATION OF PHOTOCHROMIC BEHAVIOR IN DOUBLY DOPED STOICHIOMETRIC LITHIUM NIOBATE SINGLE CRYSTALS SYMPOSIUM 9, XIX International Materials Research Congress, Symp 9, IMRC-2010, Aug 15-19, Cancún, México.
M. Chandramohan, S. Balamurali, S.Velumani, T. Venkatachalam STRUCTURAL AND OPTICAL PROPERTIES OF CIGS THIN FILMS DEPOSITED BY ELECTRON BEAM EVAPORATION TECHNIQUE SYMPOSIUM 9, XIX International Materials Research Congress, Symp 9, IMRC-2010, Aug 15-19, Cancún, México.
T.S.Senthil, N.Muthukumarasamy S.Agilan, M.Thambidurai, R.Balasundaraprabhu, S.Velumani EFFECT OF SOLVENT CONCENTRATION ON THE STRUCTURAL AND OPTICAL PROPERTIES OF NANOCRYSTALLINE TiO2 THIN FILMS SYMPOSIUM 9, XIX International Materials Research Congress, Symp 9, IMRC-2010, Aug 15-19, Cancún, México.
T. Mahalingam, P. Jayamurugan, G. Ravi, J.P. Chu, Jin-Koo Rhee, S. Velumani ELECTROSYNTHESIS AND STUDIES ON SnSSe THIN FILMS SYMPOSIUM 9, XIX International Materials Research Congress, Symp 9, IMRC-2010, Aug 15-19, Cancún, México.
Rodrigo Cue S, S. Velumani, A. Arizmendi-Morquecho COMPOSITE OF CdS THIN FILM CONTAINING CdS NANO-PARTICLES WITHIN HIGH CONDUCTIVE CdS MATRIX PREPARED BY MICROWAVE ASSISTED CHEMICAL BATH DEPOSITION SYMPOSIUM 9, XIX International Materials Research Congress, Symp 9, IMRC-2010, Aug 15-19, Cancún, México.
T. Mahalingam, R. Mariappan, S.R. Srikumar, A. Kathalingam, Jin-Koo Rhee, S. Velumanistrong> EFFECTS OF DEPOSITION POTENTIAL ON ELECTRODEPOSITED CdSnSe THIN FILMS SYMPOSIUM 9, XIX International Materials Research Congress, Symp 9, IMRC-2010, Aug 15-19, Cancún, México.
P. Reyes and S. Velumani STRUCTURAL CHARACTERIZATION OF MechanOCHEMICALLY SYNTHESIZED CdS:Cu NANOPOWDERS SYMPOSIUM 9, XIX International Materials Research Congress, Symp 9, IMRC-2010, Aug 15-19, Cancún, México.
P. Reyes, S. Velumani, N.Errien and A. Kassiba DIELECTRICAL STUDIES ON MECHANOCHEMICALLY SYNTHESIZED CdS:Cu NANOPOWDERS SYMPOSIUM 9, XIX International Materials Research Congress, Symp 9, IMRC-2010, Aug 15-19, Cancún, México.
P. Matheswaran, R.Saravana Kumar, B.Gokul, R.Sathyamoorthy and S.Velumani, FORMATION OF THIN FILM DIODE FROM In/Se BILAYER BY SEQUENTIAL THERMAL EVAPORATION SYMPOSIUM 9, XIX International Materials Research Congress, Symp 9, IMRC-2010, Aug 15-19, Cancún, México.
K. Mageshwari, R. Sathyamoorthy, P. Sudhagar, S. Velumani PREPARATION AND CHARACTERIZATION OF Bi2S3 NANOCRYSTALLINE THIN FILMS BY SILAR METHOD SYMPOSIUM 9, XIX International Materials Research Congress, Symp 9, IMRC-2010, Aug 15-19, Cancún, México.
P. Reyes, and S. Velumani STRUCTURAL STUDIES ON MECHANOCHEMICALLY SYNTHESIZED CuIn1-xGaxSe2 NANOPOWDERS SYMPOSIUM 9, XIX International Materials Research Congress, Symp 9, IMRC-2010, Aug 15-19, Cancún, México.
B.J.Babu, S.Velumani, Arturo Morales-Acevedo, R.Asomoza Properties of CuInGaSe thin films prepared by Chemical spray pyrolysis 2010 7th International conference on Electrical Engineering, Computing Science and Automatic control (CCE 2010), ISBN: 978-1-4244-7314-4.
71. B.Vidhya, S.Velumani, JesusArennas-Alatorre, Victor, Sanchez Resendiz, J.A.Chavez, - carvayar, R.Asomoza, and Yuriy Kudiravtav Structural Photoluminescence and electrical properties of MW- CBD CdZnS thin films 2010 7th International conference on Electrical Engineering, Computing Science and Automatic control (CCE 2010), ISBN: 978-14244-7314-4

Vidhya Bhojan, Velumani Subramaniam, Jesus A.Arenas Alatorre and Rene Asomoza. Mechano-chemical Synthesis. Deposition and Structural Characterization of CIGS 2009 MRS Fall meeting, Symposium Q, Photovoltaic Materials and Manufacturing Issues II. Boston, MA. November 30 to December 4
Jagadeesh B.Bellam, Vidhya Bhojan, Arturo Maldonado and Velumani Subramaniam. Effect of Deposition Temperature on the Structural, Optical and Electrical properties of ZnO:Al deposited by Pneumatic Spray Pyrolysis 2009 MRS Fall meeting, Symposium Q, Photovoltaic Materials and Manufacturing Issues II. Boston, MA. November 30 to December 4

B.Vidhya and S.Velumani Effect of Thickness on the Structural, Optical and Electrical Properties of MW-CBD CdZnS Thin Films 6th International Conference on Electrical Engineering, Computing Science and Automatic Control (CCE). ISBN 978-1-4244-4689-6: Toluca, Mexico. 10-13 November 2009.
B. J. Babu, A. Maldonado and S. Velumani, Characterization of ZnO: Al Thin Films by Ultrasonic Spray Pyrolysis 6th International Conference on Electrical Engineering, Computing Science and Automatic Control (CCE). ISBN 978-1-4244-4689-6: Toluca, Mexico. 10-13 November 2009.
S.Godavarthi, Y.Matsumoto, V.Subramaniam and P.S. Mallick Deposition of nanocrystalline-silicon by cat-CVD method and its characterization 6th International Conference on Electrical Engineering, Computing Science and Automatic Control (CCE). ISBN 978-1-4244-4689-6: Toluca, Mexico. 10-13 November 2009.
M.Latha, R.Aruna Devi, S.Velumani, I.G. Becerril-Juarez, R.Asomoza and Junsin Yi Time-dependent cigs nanoparticle synthesis by hot injection method for solar cell applications Congress, IMRC 2014, August 17-21,Cancun, Mexico.
B.Vidhya, S.Velumani and J.A.Chávez-Carvayar 2° Encuentro de Economía de la Energía ELAEE Santiago, Chile. 22-24 March 2009. ISBN 978-956-14-1043-5: Studies on Dry and wet mechano chemical synthesis of CuInGaSe2 nano- particles (Oral Presentations).
B.Vidhya, S.Velumani,V.Sanchez, Arturo Morales Acevedo and Rene Asomoza VI encuentro participación de la Mujer en la Ciencia Leon Guanajuato, Mexico. 13-15 May 2009: Effect of Zn concentration and microwave irradiation time on the structural and optical properties of MW-CBD CdZnS thin films
B. J. Babu, A. Maldonado, R. R. Biswal, S. Velumani and R. Asomoza Electrical and Optical Properties of Ultrasonically Sprayed Al doped ZnO Buffer Layers for Photovoltaic Cells XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009
B. J. Babu, A. Maldonado, Jesus A.Arenas-Alatorre, S. Velumani and R. Asomoza Structural Characteristic of Ultrasonically Sprayed Al doped ZnO Buffer layers for Cu(In Ga)Se2 Solar Cells XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009
Goldie oza, M. Ravichandran, S. Velumani, R. Asomoza Biological synthesis of metal sulfide semi-conducting nanocrystals symposium 7A, Advances In Functional Semiconducting Materials, XXII International Materials Research Congress, IMRC-2014, August 17 - 21, Cancún, México.
81. R.R. Biswal, S.Velumani, A. Maldonado, M. de la L. Olvera, S. Tirado Guerra, B.J. Babu. Effect of Aging on the Fluorine doped Zinc Oxide Thin Films, Starting from Zinc Pentanedionate and Hydrofluoric acid deposited by Chemical Spray XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009
Rodrigo Cue S, S. Velumani and J.A.Chavez.br /> Optimization of copper indium diselenide thin films deposited by rf sputtering for photovoltaic applications XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009
Vidhya, S.Velumani, Jesus A.Arenas-Alatorre and Rene Asomoza Structural Studies of Mechano-chemically synthesized CuInxGa1-xSe2 nanoparticles XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009
Rodrigo Cue S, S. Velumani, and J.A.Chavez Electrical and optical properties of copper indium di-selenide thin films prepared by rf sputtering, XVIII International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009
Rodrigo Cue S, S. Velumani, P. J. Sebastian, J.A.Chavez. Optical and electrical properties of CdS thin films grown by microwave assisted chemical bath deposition/strong> XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico.August 16-21, 2009
M.Dhanam, B.Kavitha and S.Velumani An investigation on silar Cu(In1-xAlx)se2 thin films, XVIII International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009
M.Dhanam, S. Divya, B.Kavitha and S.Velumani Study of functional finishing of nano zinc oxide coated cotton fabrics XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009
M.Thambidurai, N.Murugan, N.Muthukumarasamy, S.Agilan, S.Vasantha, R.Balasundaraprabhu, S.Velumanistrong Studies on sol gel spin coated nanocrystalline CdS thin films XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009
M. Chandramohan, S.Velumani, T. Venkatachalam Experimental and theoretical investigations of structural and optical properties of CIGS thin film XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009.
M. Chandramohan, S.Velumani, T. Venkatachalam Band structure calculations of Cu(In1-xGax)Se2 XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009
T.S.Senthil, N.Muthukumarasamy, S.Agilan, M.Thambidurai, R.Balasundaraprabhu, S.Velumani. Preparation and characterization of nanocrystalline TiO2 thin films XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009.
T.Mahalingam, S.Thanikaikarasan, S.R.Srikumar, R.Chandramohan, Yong Deak Kim, Taekyu Kim, S.Velumani. Electrochemical deposition and studies on CdCr2S4 thin films XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009.
S.Thanikaikarasan, T.Mahalingam, S.R.Srikumar, C.Sanjeeviraja, Yong Deak Kim, Taekyu Kim, S.Velumani. Electrosynthesis and studies on Cadmium-iron-sulphide thin films XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009
T.Mahalingam, S.Thanikaikarasan, S.R.Srikumar, R.Chandramohan, Yong Deak Kim, Taekyu Kim, S.Velumani Electrosynthesis and studies on Cadmium-indium-selenide thin films XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009
T.Mahalingam, S.Thanikaikarasan, S.R.Srikumar, Taekyu Kim, Yong Deak Kim, S.Velumani Electrodeposition and characterization of Fe doped CdSe thin films from aqueous solution XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009
T.Mahalingam, S.Thanikaikarasan, S.R.Srikumar, R.Chandramohan, Yong Deak Kim, Taekyu Kim, S.Velumani Preparation and characterization of MnSe thin films XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009.
P.Matheswaran, R.Sathyamoorthy, R.Saravanakumar and S.Velumani. Ac and dielectric properties of vacuum evaporated InTe bilayer thin fims XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009.
L. Kungumadevi, R. Sathyamoorthy, S.Velumani Synthesis and characterization of PbTe nanorods and nanoneedles by simple aqueous chemical route XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009.
L. Kungumadevi, R. Sathyamoorthy, S.Velumani. Synthesis and characterization of PbS branched nanorods (or dendrities) by concentration difference and gradient at room temperature, XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009.
S. Venkatachalam, Yoshinori Kanno, S. Velumani Structural and optical properties of pulsed laser deposited ZnO thin films XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009.
J. Duval Lara, F. Carrillo Romo, A. García Murillo, V. Subramaniam, H. Terrones, Structural and morphological photoelectrodes for Dye Sensitized Solar Cell (DSSC) XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009.
Y.Matsumoto, S.Godavarthi, Velumani Subramaniam and P.S. Mallick. . Deposition and characterization of nanocrystalline-silicon by cat-CVD method XVIII, International Materials Research Congress, Advances in semiconducting materials symposium, Cancun, Mexico. August 16-21, 2009.

Safety of nanomaterials process Reviewing the knowledge gaps, 17& 18 April 2008, Commission Building CCAB-Centre Albert Brochette, Brussels.
S.Velumani Invited presentation, Role of Nanotechnology in the energy conversion devices 8th April 2008, Amity University, India.
S.Velumani Invited presentation, Role of Nanotechnology in the energy conversion devices 2nd April 2008, VIT University, India
B.Vidhya ,S.Velumani and Rene Asomoza First Principles Studies on the Structural, Electronic and Optical Properties of Cubic Cadmium selenide 3rd Mexican Workshop on Nanostructured Matrerials, 11-13 June 2008 , Cinvestav, Mexico City.
E.Velazquez, S.Velumani ,D.Guerra and A.M.Kannan Conceptual Design of a 1KW Fuel Cell System and its Associated Production Line using Product Lifecycle Management Tools 3rd Mexican Workshop on Nanostructured Matrerials, 11-13 June 2008 ,Cinvestav ,Mexico City.
B.Vidhya , S.Velumani, Victor Sanchez, Arthuro Morales-Acevedo and Rene Asomoza Studies on the Structural and Optical Properties of Microwave Assisted –Rapid Chemical Bath Deposited CdZnS Thin Films XVII International Materials Research Congress, Symposium 19, Advances in Semiconducting Materials, p.284, IMRC2008, Cancun, Mexico.
S.Thanikaikarasan,T.Mahalingam, R.Chandramohan, S.R.Srikumar, Yong Deak Kim, S.Velumani Characterization of Electroplated Lead Sulphide Thin Films XVII International Materials Research Congress, Symposium 19, Advances in Semiconducting Materials, p.284, IMRC2008, Cancun, Mexico.
T.Mahalingam, S.Thanikaikarasan, C.Sanjeeviraja, S.R.Srikumar, Yong Deak Kim, S.Velumani Electrosynthesis and Studies on Cadmium-Indium Selenide Thin Films XVII International Materials Research Congress, Symposium 19, Advances in Semiconducting Materials, p.284, IMRC2008, Cancun, Mexico.
T.Mahalingam ,S.Thanikaikarasan, S.R.Srikumar, R.Chandramohan, Yong Deak Kim, S.Velumani Preparation and Characterization of Copper Indium Sulphide Thin Films, XVII International Materials Research Congress Symposium 19, Advances in Semiconducting Materials, p.288, IMRC 2008, Cancun, Mexico.
L. Kungumadevi, R. Sathyamoorthy, and S.Velumani Growth Induced Structural and Electrical Properties of Flash Evaporated PbTe Thin Films XVII International Materials Research Congress, Symposium 19, Advances in Semiconducting Materials, p.284, IMRC2008, Cancun, Mexico.
113. J.Dheepa, R.Sathyamoorthy and S. Velumani Preparation and Characterization of Thermal Evaporated P-type (Bi2Te3)0.70(Sb2Te3)0.30 Thin Films< /strong> XVII International Materials Research Congress, Symposium 19, Advances in Semiconducting Materials, p.284, IMRC2008, Cancun, Mexico.
L. Kungumadevi, R. Sathyamoorthy and S.Velumani Thickness Dependance of Structural and Electrical Resistivity of Vacuum Evaporated PbTe Thin Films XVII International Materials Research Congress, Symposium 19, Advances in Semiconducting Materials, p.284, IMRC2008, Cancun, Mexico.
S.Velumani Invited talk on “Applicaciones de Nanotecnologia en las TIC’s 29the October 2008, “Programa conferencia Latinoamericano 2008”, Mexico city, Mexico

K. Gurunathan, R. Marimuthu, R. L. Panda, S.Velumani, P.J.Sebastian, P. K. Khanna, D. P. Amalnerkar Synthesis and Characterization of Quantum Dots of cds by Sonochemical Route for Solar Cell Application Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
B. Karunagaran, S. Zh. Karazhanov, P. Ravindran, S.Senthilarasu, S.Velumani, E.-K. Suh, Electronic Structure, Structural And Optical Properties Of Sputtered Titania Films Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
B.Vidhya, S.Velumani, Mario A. Martínez Hernández Experimental And Simulation Studies On The Chalcopyrite CuInSe2 Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
Rodrigo Cue, S. Velumani, P. J. Sebastian, J.A.Chavez Preparation and Characterization of CdSs Thin Films by Chemical Bath Deposition Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
Rodrigo Cue S, S. Velumani, P. J. Sebastian, J.A.Chavez Effect of Annealing Temperature on the Structural and Optical Properties of Chemical Bath Deposited CdS Thin Films Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
Rodrigo Cue S, S. Velumani, P. J. Sebastian, Mario A.Martínez Hernández Studies on the Effect of Annealing on the CIS Thin Films by Sputter Deposition Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
B.Vidhya, S. Velumani, Mario A. Martínez Hernández Experimental and Simulation Studies on the Structural and Optical Properties of Cadmium Sulphide Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
Rodrigo Cue S, S. Velumani, P. J. Sebastian, Mario A.Martínez Hernández Preparation and Characterization of CIS Thin Films by Sputter Deposition, Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
D. Nataraj, D. Mangalaraj, S. Velumani Photoluminescence Studies on different Ions Doped/Codoped ZnS Nanocrystalline Thin Films Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
R.Sathyamoorthy, S.Chandramohan, P.Sudhagar, V. Ganesan, D.Kanjilal, D.Kabiraj, K.Asokan, S. Velumani Grain Growth And Grain Splitting In CdTe and CdS Films Under Swift Heavy Ion (SHI) Irradiation Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
R. Sathyamoorthy, B. Maheswari, A. Chithambararaj, S.Chandramohan, S. Velumani Electrical Conduction Studies on Thermally Evaporated SnS Thin Films Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
S.Senthilarasu, R.Sathyamoorthy, Soo-Hyoung Lee, S. Velumani Relaxation Phenomena in Zinc Phthalocyanine (ZnPc) Thin Films Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
S. Velumani, Erika Dutková, Parviz Pourghahramani, Peter Baláž CdS Nanoparticles Mechanochemically Synthesized in a High-Energy Mill ymposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
S.Agilan, D.Mangalaraj, Sa.K.Narayandass, G.Mohan Rao, S.Velumani Structure, Temperature Dependence of Conduction Mechanisms in Hot Wall Deposited CuInSe2 Thin Films and Effect of Back Contact Layer in CuInSe2 based Solar Cells Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
S.Venkatachalam, Yoshinori Kanno, S.Velumani Characterization on Pulsed Laser Deposited Nano ZnO Thin Films Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
T.Mahalingam, V.S.john, JP.Chu, S.Velumani, Jose Chavez, Jong-Ho Kim and Yong Deak Kim Properties of Electroplated ZnTe:Cu Thin Films For Solar Cell Applications Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
T. Mahalingam, A. Kathalingam, J.P.Chu, S.Velumani, Alfredo Flores, Jong-Ho Kim and Yong Deak Kim STUDIES ON ELECTROSYNTHESIZED Cd1-xznxte THIN FILMS Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
T. Mahalingam, M.Raja, C.Sanjeeviraja, Hosun Moon, Yong Deak Kim and S.Velumani Effects of Sodium Chloride Concentration on the Properties of Co-P Alloy Thin Films Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
M.Raja, T. Mahalingam, S.Velumani, J.P.Chu, Kyung Seek Lew and Yong Deak Kim Characterization of Ni-Fe Alloy Thin Films Electroplated at Various Bath Temperatures Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
T. Mahalingam, S.Thanikaikarasan, S.Velumani, C.Sanjeeviraja, Han Joon Kwon and Yong Deak Kim reparation and Microstructural Studies of Electrodeposited FeSe Thin Films Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
S.Thanikaikarasan, T. Mahalingam, C.Sanjeeviraja, Hosun Moon, Yong Deak Kim and S.Velumani Electrochemical Deposition and Characterization of Cd-Fe-Se Thin Films Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
T. Venkatachalam, S.Velumani, S.Ganesan, K.Sakthivel Electronic and Structural Properties of CdTe Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
T. Venkatachalam, S.Velumani, S.Ganesan, K.Sakthivel Electronic and Structural Properties of CdSn3Te4 Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
T. Venkatachalam, S.Velumani, S.Ganesan, K.Sakthivel Structural And Optical Properties of Cdte Films Produced by Hot Wall Evaporation Method Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
T. Venkatachalam, S. Velumani, S.Ganesan, K.Sakthivel Structural And Optical Properties of CdSn3Te4 Films Produced by Hot Wall Evaporation Method Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México..
Luis Ixtlilco, P.J. Sebastian, J. Pantoja, S.A. Gamboa, S.Velumani, Andres Nava Nanocrystalline CdS Thin Films Formed by Chemical Bath Deposition for Solar Cell Application Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
V.Serdio, S.Velumani, E. G. Perez-Tijerina and M.A. Gracia- Pinilla Synthesis And Characterization of IGC-DC Sputtered Nicr Nanoparticles Symposium 19, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
Ernesto Efrén Velázquez Romo, S.Velumani, David Guerra and A.M.Kannan Conceptual design and production of fuel cell stack assemblies using Product Lifecycle Management tools Symposium 2, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México.
Ricardo Peniche Garcia, S.Velumani and A. M.Kannan Demonstration of hydrogen fuelled Fuel cell car – a model Symposium 19, XVI International Materials Research Congress, Symp 2, IMRC-2007, Aug 19-23, Cancún, México.
M. Kannan, L. Cindrella and S. Velumani Functionally Graded Nano-porous Gas Diffusion Layer for Proton Exchange Membrane Fuel Cells Symposium 2, XVI International Materials Research Congress, Symp 19, IMRC-2007, Aug 19-23, Cancún, México..
Mauricio Garza Castañón, Marco A.Jimenez, Oxana Vassilievna K and S.Velumani Catalytic propoerties of Pd70Co20Mo10 and a comparison of its experimental and theoretical structure IWFAC’2007, St Petersburg, Russia, July 2-6, 2007.
S. Velumani, Erika Dutková, Parviz Pourghahramani and Peter Baláž CdS nanoparticles mechanochemically synthesized in a high-energy mill 2nd Mexican workshop on nanostructured Materials, 15th to 18th May 2007, Puebla, Mexico.
Mauricio Garza Castañón, S.Velumani, Marco A. Jiménez, Oxana Vasilievna Kharissova Theoretical examination of Sulfur poisoning in PEM fuel cell catalysts Pd70Co20X10 (X : Au, Mo, Ni)l 2nd Mexican workshop on nanostructured Materials, 15th to 18th May 2007, Puebla, Mexico.
S. Velumani, J.L. Garza-Cantú,G. Martínez, C. Ángeles-Chávez, J.A.Chavez Characterization of two dimensional CdTe nanostructures prepared by electrodeposition technique 2nd Mexican workshop on nanostructured Materials, 15th to 18th May 2007, Puebla, Mexico.

Mauricio Garza Castañón, Oxana Vassilievna Kharissova and S.Velumani Comparison of CO-tolerance by Pd70Co20Au10, Pd70Co20Mo10and Pd70Co20Ni10 compounds by ab-initiomethods 3rd Japan-Mexico International symposium on Hybridized materials with super functions and the Ist international conference on advanced construction materials, Monterrey, Mexico 3rd – 6th December 2006
Mauricio Garza Castañón, Oxana Vassilievna Kharissova and S.Velumani Modeling and Simulation of hydrogen dissociation reaction on Pt and Co50Ni50 catalysts XXVIII Congreso Internacional de Metalurgia y Materiales, Saltillo, Mexico, 15 to 17 November 2006.
152. Mauricio Garza Castañón, Oxana Vassilievna Kharissova and S.Velumani Modelling and simulation of sulphur adsorption by Co-Ni composite by ab-initio methods XV International Materials Research Congress, Symp 1, IMRC-2006, ISBN 968 863 943 5, Cancún, México.
153. J.Dheepa, R.Sathyamoorthy, S.Uthanna, P.J.Sebastian and S.Velumani Hall and thermoelectric studies on Bi2Te3 thin films XV International Materials Research Congress, Symp 7, IMRC-2006, ISBN 968 863 943 5, Cancún, México.
R.Sathyamoorthy, J.Dheepa, S.Velumani, and P.J.Sebastian Effect of substrate temperature on optical and electrical properties of Bi2Te3 thin films IXV International Materials Research Congress, Symp 1, IMRC-2006, ISBN 968 863 943 5, Cancún, México.
S.Velumani Nanostructured Materials – synthesis, Characterization and Applications, Invited Lecture, Pre conference workshop on Nanostructure (Materials, Methods and Applications) 22nd June 2006, Coimbatore Institute of Technology, Coimbatore, India
156. S.Velumani, Fuel cells and Nanostructured Materials, Invited lecture Pre conference workshop on Nanostructure (Materials, Methods and Applications) 22nd June 2006, Coimbatore Institute of Technology, Coimbatore, India
Andrès Vargas Lugo Cantú, Mauricio Garza Castañón, Carlos Eduardo Ortiz Dìaz, H.B.Liu, Mario A.Martinez, Haiyan Wang and S.Velumani Molecular simulation of Pd-Co-Au composite for its catalytic applications in Fuel cells International Conference on Nanotechnology – Materials and Methods, 23rd to 25th June 2006, Coimbatore Institute of technology, India.
Carlos Eduardo Ortiz Dìaz, Mauricio Garza Castañón, Andrès Vargas Lugo Cantú, H.B.Liu, Mario A.Martinez, Haiyan Wang and S.Velumani Molecular simulation of Pd-Co-Mo composite for Fuel cell catalytic applications International Conference on Nanotechnology – Materials and Methods, 23rd to 25th June 2006, Coimbatore Institute of technology, India.
Mauricio Garza Castañón, Oxana Vassilievna Kharissova and S.Velumani Modelling and simulation of CO absorption by Co-Ni composite by Ab-initio methods International Conference on Nanotechnology – Materials and Methods, 23rd to 25th June 2006, Coimbatore Institute of technology, India.
S.Velumani Structural and electrochemical characterization of sputter-deposited nitrided NiCr alloy 36º Congreso de Investigación y Desarrollo, p 89, compendio, 19 de Enero 2006
P.J.Sebastian, S.A.Gamboa, A.L.Ocampo, J.Moreira,E.Valenzuela, L.C.Ordoñez, O.Hernandez, J.M.Sierra, G.Pedroza, A.Valle, F.Gines, S.Joseph, X.Mathew, J.Pantoja, A.Garcia, S.Velumani. Development of PEM fuel cell materials and components World Hydrogen Energy Congress WHEC 16, 13-16 June 2006.

Carlo Enrique Guzman, Ricardo Peniche and S.Velumani Proposal of a hybrid CHP system: SOFC/Microturbine/absorption chiller Symp 2, Solar Hydrogen Fuel cell-9, P24, IMRC 2005, ISBN 968 863 8161, Cancún, México.
K.Gurunathan, R.Marimuthu, S.Velumani, P.J.Sebastian, U.P.Malik and D.P.Amalnerkar Electrodeposited hybrid thin film of polythiophene- CdS nanorod for solar cell applications XIV International Materials Research Congress, Symp 2, Solar Hydrogen Fuel cell-9, P37, IMRC 2005, ISBN 968 863 8161, Cancún, México.
Gerson J. Vazquez, S.Velumani, Jorge A.Cortes, Arturo Keer, Ramon Gomez Comparison of aluminium and stainless steel bipolar plates for PEM fuel cells using forced flow-through design XIV International Materials Research Congress, Solar Hydrogen Fuel cell-9, P.32, IMRC 2005, ISBN 968 863 8161, Cancún, México.
U.Pal, S.Velumani, L.Rendon, C.Magana and P.Santiago Synthesis and characterization of spherical MoSBB2BB nanoparticles XIV International Materials Research Congress, Solar Hydrogen Fuel cell-9, P.42, IMRC 2005, ISBN 968 863 8161, Cancún, Mexico.
Y.L.Jeyachandran, Sa.K.Narayandass, D.Mangalaraj, T.Hayakawa and S.Velumani Characterzation of Titanium Nitride (TiN) thin films deposited through a new procedure by D.C.Magnetron sputtering, Materials Characterization P.23, XIV International Materials Research Congress, Symp 7, IMRC-2005, ISBN 968 863 8161, Cancún, México.
Y.L.Jeyachandran, Sa.K.Narayandass, D.Mangalaraj, S.Areva and S.Velumani Needle like crystallization and gas particle aggregation in Titanium Nitride (TiN) thin films prepared by D.C.Magnetron sputtering XIV International Materials Research Congress Symp 7, Materials Characterization, P.24, IMRC-2005, ISBN 968 863 8161, Cancún, México.
S. Venkatachalam, Y.L. Jeyachandran, P. Sureshkumar, A. Dhayal raj, D. Mangalaraj, Sa.K. Narayandass and S. Velumani Characterization of vacuum evaporated ZnSe thin films Symposium 7, Materials Characterization, P.25, IMRC-2005, ISBN 968 863 8161, Cancun, México.
S. Venkatachalam, R. Sriranjini, D. Soundararajan, P. Peranantham, D. Mangalaraj, Sa.K. Narayandass and S. Velumani Spectroscopic Ellipsometry (SE) studies on vacuum evaporated ZnSe thin films Symposium 7, Materials Characterization, P.26, IMRC-2005, ISBN 968 863 8161, Cancún, México.
B.Vidhya, R.Balasundaraprabhu, N.Muthukumarasamy, S.Jayakumar, M.D.Kannan and S.Velumani, Studies on hot wall deposited CdS thin films Symp 7, Materials Characterization, P.109, IMRC-2005, ISBN 968 863 8161, Cancún, México.
C.Sharmila, R.Sathyamoorthy, K.Natarajan and S.Velumani Influence of annealing on structural and optical properties of ZnBB3BBPBB2BB thin films Symp 7, Materials Characterization, P.110, IMRC-2005, ISBN 968 863 8161, Cancun, Mexico
J.Dheepa, R.Sathyamoorthy, and S.Velumani Characterization of bismuth telluride thin films by flash evaporation method Symp 7, Materials Characterization, P.113, IMRC-2005, ISBN 968 863 8161, Cancun, Mexico.
Luisa F.Cueto, Enrique Sanchez-Mora, Rosa E.Davila, Genaro Zavala, Pablo S.Schabes-Retchkiman, S.Velumani and Jorge Ascencio Optical, structural and morphological characterization of TiOBB2BB-ZrOBB2BB,TiOBB2BB-SiOBB2BB and ZrOBB2BB-SiOBB2BB sol-gel thin film mixed structures supported on soda lime glass Symp 7, Materials Characterization, P.117, IMRC-2005, ISBN 968 863 8161, Cancún, México.
174. T.Mahalingam, M.Raja, S.Thanikaikarasan, C.Sanjeeviraja, Hosun Moon, Yong Deak Kim and S.Velumani Electrochemical deposition and characterization of NiP alloy thin films Symposium 7, Materials Characterization, P.117,IMRC-2005, ISBN 968 863 8161, Cancún, México.
175. N.Muthukumarasamy, R.Balasundaraprabhu, S.Jayakumar, M.D.Kannan and S.Velumani Conduction Studies on CdSe0.7TeBB0.3BB thin films, Symp 7, Materials Characterization P.118, IMRC-2005, ISBN 968 863 8161, Cancún, México.
R.Balasundaraprabhu, M.D.Kannan, S.Jayakumar, N.Muthukumarasamy, and S.Velumani Characterization of CuInSe2 films prepared by CSVT technique for solar cell applications Symp 7, Materials Characterization, P.121, IMRC-2005, ISBN 968 863 8161, Cancun, Mexico.
R.Sathyamoorthy, C.Sharmila, P.Sudhagar, S.Velumani Electrical Conduction on Zinc Phosphide Thin Films Symposium 7, Materials Characterization, p.121 IMRC-2005, ISBN 968 863 8161, Cancún, Mexico.
R.Sathyamoorthy, J.Dheepa, S.Velumani Space Charge limited current conduction in BiBB2BBTeBB3BB thin films Symposium 7, Materials Characterization, p.122 IMRC-2005, ISBN 968 863 8161, Cancún, Mexico.
R.Sathyamoorthy M.Ramya, S.Chandramohan and S.Velumani PP PPElectrical Resistivity of Thermally Evaporated CuBB2BBs Thin Films Symposium 7, Materials Characterization, IMRC-2005, p.122, ISBN 968 863 8161, Cancún, México.
Agilan, D.Mangalaraj, Sa.K.Narayandass and S.Velumani Optimization of tube length of the hot wall set up for depositing stoichiometric CuInSeBB2BB thin films - structural and optical characterization, Symposium 7, Materials Characterization, p. 123, IMRC-2005, ISBN 968 863 8161, Cancún, México.
181. T.Mahalingam, A.Kathalingam,C.Sanjeeviraja , R.Chandramohan, J.P.Chu, Yong Deak Kim and S.Velumani Electrodeposition and characterization of HgSe thin films Symposium 7, Materials Characterization, p.125, IMRC-2005, ISBN 968 863 8161, Cancún, México.
T.Mahalingam, S.Velumani, M.Raja, S.Thanikaikarasan, J.P.Chu, S.F.Wang and Yong Deak Kim, Electrosynthesis and characterization of lead oxide thin films Symposium 7, Materials Characterization, p.126, IMRC-2005, ISBN 968 863 8161, Cancún, México.
S.Velumani, U.Pal, P.Santiago Microscopic analysis of semiconductor nanostructured materials Symposium 7, Materials Characterization, P.136, IMRC-2005, ISBN 968 863 8161, Cancun, Mexico.
S.Velumani, (Invited lecture), Influence of nanostructures in Solar cells Revista de la sociedad Química de México, UANL, San Nicolás, NL., ISSN 0583-7693, vol 49(2005)18.

K. Gurunathan and S. Velumani Visble light Assisted Hydrogen production using undoped/ doped ?-BiBB2BBOBB3BB semiconductor powders Proceedings of ECOS2004, Guanajuato, Mexico, 22PPndPP May 2004, Vol3, p.1447 to1458.
K. Gurunathan, N. P. Vyawahare, D.P. Amalnerkar and B.K. Das, S. Velumani and P. J. Sebastian Effect of Solvents on Sonochemical Synthesis and Characterization of Nanocrystalline CdS Powders for Solar Cells/strong> XIII International Materials Research Congress, Symp 1, Nanostructured materials and Nanotechnology, p 37, Aug.22-26, 2004, ISBN 968 863 7572, Cancun, Mexico.
R.Balasundaraprabhu, S. Jayakumar, M.D. Kannan, N.Muthukumarasamy, S.Velumani, P.J. Sebastian Characterization of Hot Wall Deposited CdSe0.6Te0.4 Thin Films XIII International Materials Research Congress, Symp 2, p 31, Solar Hydrogen Fuel cells, ISBN 968 863 7572, Aug.22-26, 2004, Cancun, Mexico.
R. Mejia, U. Pal, P.J. Sebastián, R. Castañeda, S.A. Gamboa, S. Velumani Synthesis and Characterization of Nanostructured CuInSeBB2BB Thin Films XIII International Materials Research Congress, Symp 2, p 332, Solar Hydrogen Fuel cells, ISBN 968 863 7572, Aug.22-26, 2004, Cancun, Mexico
S.Senthilarasu, R.Sathyamoorthy, S.Lalitha, P.J.SebastianPP PPand S.Velumani Photoconduction and Transport Mechanisms in ZincPhthalocyanine Thin Film International Materials Research Congress, Symp 2, p 32, Solar Hydrogen Fuel cells, ISBN968 863 7572, Aug.22-26, 2004, Cancun, Mexico
C. Viswanathan, R. Sriranjini, P. Peranantham, D. Soundararajan, D. Mangalaraj, SA.K. Narayandass and S. Velumani SCLC conduction Mechanism in Indium Selenide Thin Films XIII International Materials Research Congress, Symp 2, p 33, Solar Hydrogen Fuel cells, ISBN 968 863 7572, Aug.22-26, 2004, Cancun, Mexico
M191. K. Gurunathan, N. P. Vyawahare, D.P. Amalnerkar and B.K. Das, S. Velumani and P. J. Sebastian Effect of Solvents on Sonochemical Synthesis and Characterization of Nanocrystalline CdS Powders for Solar Cells XIII International Materials Research Congress, Symp 1, p 37, Nanostructured materials and Nanotechnology, ISBN 968 863 7572, Aug.22-26, 2004, Cancun, Mexico.
S. Agilan, D.Mangalaraj, Sa.K.Narayandass, S.Velumani Optimization of Tube Length of the Hot Wall set up for depositing stoichiometric CuInSeBB2BB thin films and structural characterization XIII International Materials Research Congress, Symp 2, Solar Hydrogen Fuel cells, p 38, Aug.22-26, 2004, ISBN 968 863 7572, Cancun, Mexico
193. N.Muthukumarasamy, R. Balasundaraprabhu, S. Jayakumar, M.D. Kannan, S.Velumani, P.J. Sebastian Photoconductive Properties of Hot Wall Deposited CdSeBB0.7BBTeBB0.3BB Thin Films XIII International Materials Research Congress, Symp 2, Solar Hydrogen Fuel cells, p 38 Aug.22-26, 2004, ISBN 968 863 7572, Cancun, Mexico.
N.Muthukumarasamy, R. Balasundaraprabhu, S. Jayakumar, M.D. Kannan, S.Velumani, P.J. Sebastian Structural and Optoelectronic Properties of Hot wall Deposited CdSeBB0.15BBTeBB0.85BB Thin Films XIII International Materials Research Congress, Symp 2, Solar Hydrogen Fuel cells, p 39, Aug.22-26, 2004, ISBN 968 863 7572, Cancun, Mexico.
S. Venkatachalam, D. Mangalaraj, SA.K. Narayandass, S.Velumani Studies on Vacuum Evaporated ZnSe/p-Si Schottky Diodes XIII International Materials Research Congress, Symp 2, Solar Hydrogen Fuel cells, p 40, Aug.22-26, 2004, ISBN 968 863 7572, Cancun, Mexico.
T.Mahalingam, M.Raja, Homero Castaneda, P.J.Sebastian and S.Velumani Preparation and Characterization of CdFeSe Thin Films XIII International Materials Research Congress, Symp 2, Solar Hydrogen Fuel cells, p 40, Aug.22-26, 2004, ISBN 968 863 7572, Cancun, Mexico
R.Amutha, A.Subbarayan, R.Sathyamoorthy, K.Natarajan, P.J.SebastianPP PPand S.Velumani Conduction Studies On ZnTe Thin Films XIII International Materials Research Congress, Solar Hydrogen Fuel cells, Symp 2, p 41, Aug.22-26, 2004, ISBN 968 863 7572, Cancun, Mexico.
198. B.Karunagaran, Kyunghae Kim, D. Mangalaraj, Junsin Yi PP PPand S. Velumani Structural, Optical and Raman scattering studies on DC Magnetron Sputtered Titanium Dioxide Thin Films XIII International Materials Research Congress, Symp 2, Solar Hydrogen Fuel cells, p 42, Aug.22-26, 2004, ISBN968 863 7572, Cancun, Mexico
S.Velumani, M.Raja, S.Thanikaikarasan, Homero Castaneda, P.J.SebastianPP^PPand T.Mahalingam Electrocrystallization and Studies on of Ferrous Selenide thin films” XIII International Materials Research Congress, Symp 2, Solar Hydrogen Fuel cells, p 42, Aug.22-26, 2004, ISBN 968 863 7572, Cancun, México
200. S.Velumani, M.Raja, J.A.Chavez, Homero Castaneda and T.Mahalingam Preparation and Characterization of CoMn alloy thin films XIII International Materials Research Congress, Symp 5, p 13, Magnetic Materials, ISBN 968 863 7572, Aug.22-26, 2004, Cancún, México.
T.Mahalingam, M.Raja, A.Thanikaikarasan, J.A.Chavez, Homero Castaneda and S.Velumani The effect of NaCl concentration on the properties of CoP thin alloy films XIII International Materials Research Congress, Symp 5, p.14, Magnetic Materials, Aug.22-26, 2004, ISBN 968 863 7572, Cancun, Mexico
J.Deepa, R.Sathyamoorthy, A.Subburayan, P.J.SebastianPP PPand S.Velumani. Relaxation phenomenon in BiBB2BBTeBB3BB Thin Films XIII International Materials Research Congress, Symp 7, p.14, Materials Characterization, Aug.22-26, 2004, ISBN 968 863 7572, Cancun, Mexico.
S.Velumani, M.Raja, J.A.Chavez, Homero Castaneda and T.Mahalingam The influence of pH on Galavanostatically deposited CoNi alloy thin films XIII International Materials Research Congress, Symp 5, p.15, Magnetic Materials, Aug.22-26, 2004, ISBN968 863 7572, Cancun, Mexico
S.Velumani, M.Raja, J.A.Chavez,, Homero Castaneda and T.Mahalingam Investigations on NiP alloy thin films prepared by electro deposition XIII International Materials Research Congress, Symp 5, p.15, Magnetic Materials, Aug.22-26, 2004, ISBN 968 863 7572, Cancun, Mexico
S.Vairam, S.Govindarajan, Jose Ocatlan and S.Velumani Nuetral Hydrazinecomplexes of divalent transition metals with Isomeric Benezene Tricarboxylic acids preparation and Characterization XIII International Materials Research Congress, Symp 5, p.16, Magnetic Materials, Aug.22-26, 2004, ISBN 968 863 7572, Cancun, Mexico.
T.Mahalingam, M.Raja, J.A.Chavez,, Homero Castaneda and S.Velumani Electrosynthesis and characterization of lead oxide thin films XIII International Materials Research Congress, Symp 5, p. 17, Magnetic Materials, Aug.22-26, 2004, ISBN 968 863 7572, Cancun, Mexico.
Luis Ixtilco, P.J.Sebastian, S.Velumani, H.S.Esparza-Ponce and S.A.Gamboa Dependence of annealing temperature on the optoelectronic properties of nanostructured CdS thin films obtained by chemical bath deposition XIII International Materials Research Congress, Symp 2, Solar Hydrogen Fuel cells, p 29, Aug.22-26,2004, ISBN968 863 7572, Cancun, Mexico.

K.Gurunathan, N.P.Vyawahare, D.P.Amalnerkar, B.K.Das, S.Velumani, and P.J.Sebastian Effect of solvents on sono chemical synthesis and characterization of Nanocrystalline CdS powders for solar cells XII International Materials Research Congress, Symp 12, New trends in polymer chemistry and characterization, p.15, Aug.17-21,2003, Cancun, Mexico.
Sergio Sadovnychiy, Igor Bulgakov and S.Velumani Pipeline right-of-way remote inspection system, 3PPrdPP WSEAS International conf. on applications of Electrical Engineering (AEE’04) May 12-15, 2004, p 37, ISBN968 863 7572, Cancun, Mexico
H.Castaneda, S.Velumani and J.A.Ascencio Electrochemical study of nanostructured semiconductor films XII International Materials Research Congress, Symp 1, Nanostructured Materials and Nanotechnology, Aug.17-21,2003, Cancun, Mexico
J.A.Ascencio, U.Pal, S.Velumani, G.Canizal and P.Santiago Structure of metallic and semiconductor nanorods XII International Materials Research Congress, Symp 1, Nanostructured Materials and Nanotechnology, Aug.17-21,2003, Cancun, Mexico.
S.Velumani Invited speaker, Influence of nanostructures in solar cells – Symposium on Nanostructured Materials and nanotechnology XII International Materials Research Congress, Cancun, Mexico, 19PPthPP Aug.2003
C.Zorrilla, S.Velumani, J.Arenas and J.A.Ascencio HREM studies of nanometric arrays of ZincPhthalocyanine (ZnPc) clusters XII International Materials Research Congress, Symp 1, Nanostructured Materials and Nanotechnology, Aug.17-21,2003, Cancun, Mexico.
K.Gurunathan, S.Velumani, P.J.Sebastian Fabrication and characterization of organic –inorganic hybrid (Polythiophene - CdS nanocrystals) thin film solar cells XII International Materials Research Congress, Symp 1, Solar Hydrogen Fuel cells, p.15-1, Aug.17-21,2003, Cancun, Mexico.
G.A.Rosquete-Pina, S.Velumani, R.Sathyamoorthy and J.A.Ascencio Influence of substituents in the spectroscopic properties of Zn-Phthalocynanines XII International Materials Research Congress, Symp 1, Nanostructured Materials and Nanotechnology, Aug.17-21,2003, Cancun, Mexico.
S.Velumani, J.A.Ascencio and P.J.Sebastianstrong Synthesis of ZnS nanorods by vacuum deposition XII International Materials Research Congress, Symp 1, Nanostructured Materials and Nanotechnology, Aug.17-21,2003, Cancun, Mexico.
K.Gurunathan, S.Velumani, P.J.Sebastianstrong> D.P.Amalnerkar, and B.K.Das, polythiophene- CdS nanocrystals hybrid material for solar cells applications XII International Materials Research Congress, Symp 2, Solar Hydrogen fuel cell, 8-2, Aug.17-21,2003, Cancun, Mexico..
S.Velumani, U.Pal, P.J.Sebastian and J.A.Ascencio Characterization of sputter deposited nitrided NiCr on stainless steel and carbon steel for bipolar plates IInd International Applied statistical Physics: Molecular engineering conference, Aug 25 – 29 2003, Puerto Vallarta, Mexico.
J.Deepa, R.Sathyamoorthy, S.Velumani Subburayan and K.Natarajan, Structural and optical properties of vacuum deposited bismuth telluride films XII International Materials Research Congress, Symp 2, Solar Hydrogen Fuel cells, P.19-2, Aug.17-21,2003, Cancun, Mexico.
R.Sathyamoorthy, S.Senthilarasu, S.Lalitha, S.Velumani and P.J.Sebastian Optical properties of vacuum evaporated CdS thin films XII International Materials Research Congress, Symp 2, Solar Hydrogen Fuel cells, P.20-2, Aug.17-21,2003, Cancun, Mexico
Gabriel Pedroza, Joel Moreira, Sergio Gamboa, P.J.Sebastian, A.L.Ocampo, Alejandro del Valle, S.Velumani,Shine Joseph, J.C.McClure A prototype PEM fuel cell fabricated with aluminium bipolar plates XII International Materials Research Congress, Symp 2, Solar Hydrogen Fuel cells, p. 27-2, Aug.17-21,2003, Cancun, Mexico.
R.Mejia, P.J.Sebastian, U.Pal, S.Velumani, J.A.Ascencio, S.A.Gamboa, X.Mathew, G.Canizal Nanostructured CuInSe2 thin films synthesized by pulse electrodeposition and chemical precipitation XII International Materials Research Congress, Symp 2, Solar Hydrogen Fuel cells, p.34-2, Aug.17-21,2003, Cancun, Mexico.
R.Sathyamoorthy, S.Velumani, J.A.Ascencio, P.J.Sebastian and R.Perez Structural and optical characterization of Zinc Phthalocynanine(ZnPc), XII International Materials Research Congress Symp 9, 14-9, Materials Characterization, Aug.17-21,2003, Cancun, Mexico.
P.J.Sebastian, S.A.Gamboa, X.Mathew, S.Velumani, U.Pal, J.Ascencio, T.Mahalingam, J.A.Chavez, J.A.Toledo, Joel Pantoja, Rocio Castaneda, Rogelio Mejia, Luis Ixtlilco, Alfredo Olea, Mou Pal, Rene Guiterez, J.Campos M.S.Sastry, M.Pattabi, Vijay Singh, Trends in nanomaterials research for opto-electronic devices XII International Materials Research Congress, Materials development in flat panel displays, Aug.17-21,2003, Cancun, Mexico.
Luis Ixtilco, S.Velumani, U.Pal, P.J.Sebastian, J.A.Ascencio, S.A.Gamboa, G.Canizal, X.Mathew Pulse electrdeposited and chemically synthesized nanostructured CdSe thin films XII International Materials Research Congress, Symp 2, Solar Hydrogen Fuel cells, p.31-2, Aug.17-21,2003, Cancun, Mexico.
S.Velumani, U.Pal, P.J.Sebastian and J.A.Ascencio Nitrided NiCr coated bipolar plates for PEM fuel cells XII International Materials Research Congress, Symp 2, Solar Hydrogen Fuel cells, P16-2, Aug.17-21,2003, Cancun, Mexico.

S.Velumani, Xavier Mathew and P.J.Sebastian Preparation and characterization of hot wall deposited CdSeBBxBBTeBB1-xBB films. VIII International conference on advanced materials – solar-hydrogen symposia –5, Cancun, Mexico.- Aug. 27 –31, 2002
Rocio Castañeda, P.J. Sebastián, Margarita Miranda, Joel Pantoja, Xavier Mathew, S.Velumani and Eric Miller Studies On CIGS Thin Film Photocatalysts For HBB2BB Production VIII International conference on advanced materials – Solar- Hydrogen Symposia –5, Cancun, Mexico - Aug. 27 –31, 2002.

S.Velumani, Xavier Mathew, P.J.Sebastian, Sa.K.Narayandass and D.Mangalaraj Structural, optical and photo conductive studies on hot wall deposited CdSe films. VII International conference on advanced materials – solar-hydrogen symposia –5, Cancun, Mexico.- Proceedings p-260. Aug. 27 –31, 2001.
S.Velumani, Narayandass.Sa.K and Mangalaraj.D, Structural, optical and photo electrical properties of hot wall deposited CdSe films. Fourth International symposium on new materials for electrochemical systems, Montreal, Quebec, Canada. – July 9 –13, 2001.Proceedings p-428-430.

S.Velumani, Narayandass.Sa.K and Mangalaraj.D Optical and photo electrical properties of hot wall deposited CdSe films International symposium on new materials and renewable energy –4, Cancun, Mexico.- Aug. 27 –31, 2000.
S.Velumani, Narayandass.Sa.K and Mangalaraj.D Fabrication and optimization of hot wall deposition set up for CdSe films TFDOM (Thin Film Deposition of Oxide Materials), Lithuania. Sept 28-29, 2000.

S.Velumani, Narayandass.Sa.K and Mangalaraj.D Opto-electronic properties of hot wall deposited CdSe thin films National Science Congress, Anna University, Chennai, India. Jan 1-5(1999).
S.Velumani, Narayandass.Sa.K and Mangalaraj.D Optical properties of hot wall deposited CdSe thin films National Science Congress, Anna University, Chennai, India. Jan 1-5 (1999).

S.Velumani, Narayandass.Sa.K and Mangalaraj.D
Structural and Optical properties of hot wall deposited CdSe thin films
National Conference on thin film characterization and applications, Bharathiar University, Coimbatore, India (1996).

S.Velumani, Narayandass.Sa.K and Mangalaraj.D Laser damage studies on CdSe thin films National seminar on emerging trends in thin film technology device fabrication, Cochin University, India (1995).
S.Velumani, Narayandass.Sa.K and Mangalaraj.D Structural properties of CdSe thin films National seminar on emerging trends in thin film technology device fabrication, Cochin University, India (1995).

S.Velumani, Narayandass.Sa.K and Mangalaraj.D
Structural and optical properties of CdSe films
Recent trends in Advanced materials, Bharathiar University, Coimbatore, India (1993).

S.Velumani, Narayandass.Sa.K and Mangalaraj.D
Dielectric and AC conduction properties of PbO thin films
National Science, Congress, Varanasi, (Banaras Hindu University) India.(1990)