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Resume of Career
Current Research Interests
Solar Energy Conversion (Photovoltaics, Rectennas, etc.), Thin Film Photovoltaics.
Publications and Presenations
"Analysis of Carrier Transport Phenomena in High Band Gap II-VI-Based MIS Photovoltaic Devices", P. Mahawela, S. Jeedigunta, C. S. Ferekides, and D. L. Morel, in print, Journal of Thin Solid Films.
"Characterization of Carrier Generation and Transport Mechanisms in Single Crystal and Thin Film HgI2", U. Khadilkar, R. Mamazza, C. S. Ferekides, and D. L. Morel, Thin Solid Films, 427 (2003) pp. 381-385.
"The Effect of the CdCl2 Treatment on CdTe/CdS Thin Film Solar Cells Studied Using Deep Level Transient Spectroscopy", V. Komin, B, Tetali, V. Viswanathan, D. L. Morel and C. S. Ferekides, in print, Journal of Thin Solid Films.
"Electrical and Optical Properties of tin-doped CdO Films Deposited by Atmospheric Metalorganic Chemical Vapor Deposition", Zhiyong Zhao, D. L. Morel, and C. S. Ferekides, Journal of Thin Solid Films, 413 (2002) pp. 203-211.
"Metal/CdTe/CdS/Cd1-xZnxS/TCO/glass: A New CdTe Thin Film Solar Cell Structure", I. O. Oladeji, C. Lee, C. S. Ferekides, V. Viswanathan, Z. Zhao, Solar Energy Materials and Solar Cells, 61, 2, (2000), pp. 203-211.
"High Efficiency CSS CdTe Solar Cells", C. S. Ferekides, D. Marinskiy, V. Viswanathan, B, Tetali, V. Palekis, P. Salvaraj, and D. L. Morel, Thin Solid Films, 361-362, (2000), pp. 520-526.
"Device Performance Characterization and Junction Mechanisms in CdTe/CdS Solar Cells", C. Oman, K. Dugan, J. Killian, V. Ceekala, C. Ferekides, and D. Morel, Solar Energy Materials and Solar Cells, 58, (1999), 361-373.
"Reduction of Recombination Current in CdTe/CdS Solar Cells", D. M. Oman, K. M. Dugan, J. L. Killian, V. Ceekala, C. S. Ferekides, and D. L. Morel, Appl. Phys. Lett. 67 (13), (1995).
"Characterization and Analysis of ZnO:Al Deposited by Reactive Magnetron Sputtering", S. Zafar, C. S. Ferekides, and D. Morel, J. Vac. Sci. Technol. A 13(4), (1995).
"CdTe Solar Cells with Efficiencies over 15%", C. Ferekides, J. Britt, J. Solar Energy Materials and Solar Cells, 35, 255-262, (1994).
"Thin Film CdS/CdTe Solar Cell with 15.8% efficiency", J. Britt and C. Ferekides, Appl. Phys. Lett., 62, 2851, (1993).
"High Efficiency Thin Film CdS/CdTe Heterojunction Solar Cells", T. L. Chu, S. S. Chu, C. Ferekides, C. Q. Wu, J. Britt, and C. Wang, Journal of Crystal Growth, 117, 1073, (1992).
"Films and Junctions of Cadmium Zinc Telluride", T. L. Chu, S. S. Chu, J. Britt, C. Ferekides, and J. Britt, J. App. Phys., 71, 5635, (1992).
"14.6% Efficient Thin-Film Cadmium Telluride Heterojunction Solar Cells", T. L. Chu, S. S. Chu, J. Britt, C. Ferekides, C. Wang, C. Q. Wu, and H. S. Ullal, IEEE Electron Device Lett., 13, 303, (1992).
"Zinc Selenide Films and Heterojunctions", T. L. Chu, S. S. Chu, G. Chen, J. Britt, C. Ferekides, and C. Q. Wu, J. Appl. Phys., 71, 3865, (1992).
"Thin Film Junctions of Cadmium Telluride by Metalorganic Chemical Vapor Deposition", T. L. Chu, S. S. Chu, C. Ferekides, J. Britt, and C. Q. Wu, J. App. Phys., 71, 3870, (1992).
"13.4% Efficient Thin Film CdS/CdTe Solar Cells", T. L. Chu, S. S. Chu, C. Ferekides, C. Q. Wu, J. Britt, and C. Wang, J. Appl. Phys., 72, 7608, (1991).
"Cadmium Zinc Sulfide films and Heterojunctions", T. L. Chu, S. S. Chu, J. Britt, C. Ferekides, C. Q. Wu, J. App. Phys., 70, 2688, (1991).
"Thin Films of II-VI Compounds and Alloys", T. L. Chu, S. S. Chu, C. Ferekides, J. Britt, C. Q. Wu, G. Chen, N. Shultz, Solar Cells, 30, 123, (1991).
"Cadmium Telluride Films by Metalorganic Chemical Vapor Deposition", T. L. Chu, S. S. Chu, C. Ferekides, J. Britt, C. Q. Wu, J. Appl. Phys., 69, 7651, (1991).
"Zinc Telluride Films by Photoenhanced Metalorganic Chemical Vapor Deposition", T. L. Chu, S. S. Chu, J. Britt, C. Ferekides, C. Q. Wu, J. Elect. Mat., 20, 483, (1991).
"Analysis of Carrier Transport Phenomena in High Band Gap II-VI-Based MIS Photovoltaic Devices", P. Mahawela, S. Jeedigunta, C. S. Ferekides, and D. L. Morel, presented at the E-MRS Spring Meeting 2002, Strasbourg, France, June 18-21, 2002.
"Characterization of Carrier Generation and Transport Mechanisms in Single Crystal and Thin Film HgI2", U. Khadilkar, R. Mamazza, C. S. Ferekides, and D. L. Morel, presented at the E-MRS Spring Meeting 2002, Strasbourg, France, June 18-21, 2002.
"The Effect of the CdCl2 Treatment on CdTe/CdS Thin Film Solar Cells Studied Using Deep Level Transient Spectroscopy", V. Komin, B, Tetali, V. Viswanathan, D. L. Morel and C. S. Ferekides, presented at the E-MRS Spring Meeting 2002, Strasbourg, France, June 18-21, 2002.
"Co-Sputtered Cd2SnO4 Films as Front Contacts for CdTe Solar Cells", R. Mamazza, S. Yu, D. L. Morel, and C. S. Ferekides, presented at the 29th IEEE PVSC, New Orleans, LA, May 19-24, 2002.
"Thin Films of CdIn2O4 as Transparent Conducting Oxides", R. Mamazza, U. Balasubramanian, D. L. Morel, and C. S. Ferekides, presented at the 29th IEEE PVSC, New Orleans, LA, May 19-24, 2002.
"Vapor Chloride Treatment Studies of CdTe/CdS Solar Cells", H. Zhao, V. Palekis, P. Selvaraj, D. L. Morel and C. S. Ferekides, presented at the 29th IEEE PVSC, New Orleans, LA, May 19-24, 2002.
"Identification of Defect Levels in CdTe/CdS Solar Cells Using Deep Level Transient Spectroscopy", V. Komin, V. Viswanathan, B. Tetali, D. L. Morel and C. S. Ferekides, presented at the 29th IEEE PVSC, New Orleans, LA, May 19-24, 2002.
"Effects of Thermal Stressing on CdTe/CdS Solar Cells", B. Tetali, V. Viswanathan, D. L. Morel and C. S. Ferekides, presented at the 29th IEEE PVSC, New Orleans, LA, May 19-24, 2002.
"Development of II-VI High Band Gap Devices for High Efficiency Tandem Solar Cells", P. Mahawela, C. S. Ferekides and D. L. Morel, presented at the 29th IEEE PVSC, New Orleans, LA, May 19-24, 2002.
"Application of Tin-Doped Cadmium Oxide Films in CdTe/CdS Solar Cells", Z. Zhao, V. Komin, V. Viswanathan, D. L. Morel, and C. S. Ferekides, Proc. 28th IEEE PVSC, 2000, pp. 662-665.
"Ni2P- A Promising Candidate for Back Contacts to CdS/CdTe Solar Cells", V. Viswanathan, B. Tetali, P. Selvaraj, S. Jagannathan, D.L. Morel, Sally Asher, and C.S. Ferekides, Proc. 28th IEEE PVSC, 2000, pp. 587-590.
"Investigation of Deep Levels in CdTe/CdS Solar Cells", V. Komin, V. Viswanathan, B. Tetali, D.L. Morel, and C.S. Ferekides, Proc. 28th IEEE PVSC, 2000, pp. 676-679.
"Thermal Effects on CdS/CdTe Solar Cells", by B. R. Tetali, V. Viswanathan, Z. Zhao, V. Komin, R.Mamazza, S.Jagannathan, D. L Morel and C. S. Ferekides, presented at the Student Poster Competition of 28th Annual Symposium of the Florida Chapter of the American Vacuum Society, March 13-14, 2000, Orlando, Florida.
"Critical Issues and Research Needs for CdTe-Based Solar Cells", A. D. Compaan, J. R. Sites, R.W. Birkmire, C.S. Ferekides, and A.L. Fahrenbruch, Electrochemical Society Symposium Proceedings, vol. 9911, "Photovoltaics for the 21st Century" Seattle, WA, May, 1999.
"Achievement of High Jsc's in ZnO/CIGS Heterojunctions Using Reactively Sputtered ZnO", D. L. Morel, C. S. Ferekides, R, Narayanaswamy, H. Sankaranarayanan, H. Lin, and M Shankaradas, Presented at the 2nd World Conference on Photovoltaic Energy Conversion, Vienna, Austria, July 6-10, 1998.
"Determination of Fundamental Parameters and Mechanisms in CIGS Solar Cells using Photocapacitance Techniques", D. L. Morel, C. S. Ferekides, A. Japalayan, H. Sankaranarayanan, H. Lin, and M Shankaradas, Presented at the 2nd World Conference on Photovoltaic Energy Conversion, Vienna, Austria, July 6-10, 1998.
"CdTe/ZnSe Junctions and Solar Cells", C. S. Ferekides, S. Marinskaya, D. Marinskiy, V. Palekis, and D. L. Morel, Presented at the 2nd World Conference on Photovoltaic Energy Conversion, Vienna, Austria, July 6-10, 1998.
"The Effect of SnO2 Roughness on the Properties of CdTe/CdS Solar Cells", C. S. Ferekides, U. Poorsala, and D. L. Morel, Presented at the 26th IEEE Photovoltaic Specialists Conference, Anaheim, CA, Sept. 29 - Oct. 3, 1997.
"RF Sputtered Back Contacts for CdTe/CdS Thin Film Solar Cells", C. S. Ferekides, V. Viswaminathan, and D. L. Morel, Presented at the 26th IEEE Photovoltaic Specialists Conference, Anaheim, CA, Sept. 29 - Oct. 3, 1997.
"CdS: Characterization and Recent Advances in CdTe Solar Cell Performance", C. S. Ferekides, D. Marinskiy, and D. L. Morel, Presented at the 26th IEEE Photovoltaic Specialists Conference, Anaheim, CA, Sept. 29 - Oct. 3, 1997.
"Effects of Processing Temperature on the Thickness of CdS and the Performance of CdTe Solar Cells", C. S. Ferekides, B. Tetali, D. Marinskiy, S. Marinskaya, and D. L. Morel, American Institute of Physics Proceedings, 14th NREL/SNL Photovoltaic Program review, Lakewood, CO (1996) p. 631.
"Properties of CuInxGa1-xSe2 Solar Cells", S. Zafar, J. D'Amico, S. Karthikeyan, R. Narayanaswamy, P. Panse, H. Sankaranarayanan, C. S. Ferekides, and D. L. Morel, American Institute of Physics Conference Proceedings, 14th NREL/SNL Photovoltaics Program review, Lakewood, CO (1996) p. 589.
"Recent Advances in the Diode Properties of CdTe Solar Cells", D. M. Oman, S. Karthikyean, C. S. Ferekides, and D. L. Morel, Presented at the 24th Annual Symposium in Applied Vacuum Science and Technology, Orlando, FL, March 11-14, 1996.
"High Electronic Quality ZnO:Ga Films Deposited by Reactive Sputtering", S. A. Zafar, C. S. Ferekides, and D. L. Morel, Presented at the 24th Annual Symposium in Applied Vacuum Science and Technology, Orlando, FL, March 11-14, 1996.
"Processing and Characterization of Copper Indium Gallium DiselinideSolar Cells", J. D'Amico, S. A. Zafar, S. Karthikeyan, H. Natarajan, D. Oman, C. S. Ferekides, and D. L. Morel, Presented at the 24th Annual Symposium in Applied Vacuum Science and Technology, Orlando, FL, March 11-14, 1996.
"Low Temperature Processing for High Performance CdS/CdTe Solar Cells on Low-Cost Substrates", B. R. Tetali, C. S. Ferekides, and D. L. Morel, Presented at the 24th Annual Symposium in Applied Vacuum Science and Technology, Orlando, FL, March 11-14, 1996.
"Sputtered ZnO and CdS Films for CdTe Solar Cells", R. Prabhakaran, C. S. Ferekides, and D. L. Morel, Presented at the 24th Annual Symposium in Applied Vacuum Science and Technology, Orlando, FL, March 11-14, 1996.
"ZnSe Films Prepared by Close-Spaced Sublimation", S. Marinskaya, D. Marinskiy, C. S. Ferekides, and D. L. Morel, Presented at the 24th Annual Symposium in Applied Vacuum Science and Technology, Orlando, FL, March 11-14, 1996.
"Advancements in Cost-Effective Processing for CdTe and CuInSe2 Solar Cells", C. S. Ferekides and D. L. Morel, Proc. 30th Intersociety Energy Conversion Engineering Conference, Orlando, FL, 1995, pp 523-527.
"Effects of CdTe Growth Conditions and Techniques on the Efficiency Limiting Defects and Mechanisms in CdTe Solar Cells", A. Rohatdgi, H. C. Chou, N. M. Jokerst, E. W. Thomas, C. Ferekides, S. Kamra, Z. C. Feng, and K. Dugan, American Institute of Physics Proceedings, 13th NREL Photovoltaic Program Review, Lakewood, CO, (1995), p. 368.
"The Effect of Interface States on CuInSe2 Solar Cells", G. Attar, S. Karthickeyan, H. Natarajan, D. Nierman, S. Zafar, C. S. Ferekides, and D. L. Morel, American Institute of Physics Proceedings, 13th NREL Photovoltaic Program Review, Lakewood, CO, (1995), p. 412.
"Recent Advances in Thin Film CdTe Solar Cells", C. S. Ferekides, V. Ceekala, k. Dugan, L. Killian, D. Oman, R. Swaminathan, and D. L. Morel, American Institute of Physics Proceedings, 13th NREL Photovoltaic Program Review, Lakewood, CO, (1995), p. 39.
"Optimization and Characterization of Reactively Sputtered ZnO", S. Zafar, C. S. Ferekides, and D. L, Morel, Proc. IEEE 1st World Conference on Photovoltaic Energy Conversion, Waikoloa, HI, 1994, pp. 346-349.
"The Effects of CdS Processing and Glass Substrates on the Deposition of CdTe Solar Cells", C. S. Ferekides, K. Dugan, V. Ceekala, J. Killian, D. Oman, R. Swaminathan, and D. Morel, Proc. IEEE 1st World Conference on Photovoltaic Energy Conversion, Waikoloa, HI, 1994, pp 99-102.
"Development of Manufacturable CIS Processing", G. Attar, A. Muthaiah, H. Natarajan, D. Nierman, S. Karthikeyan, S. Zafar, C. S. Ferekides, and D. L. Morel, Proc. IEEE 1st World Conference on Photovoltaic Energy Conversion, Waikoloa, HI, 1994, pp. 182-185.
"Advanced Processing Technology for High Efficiency Thin-Film CuInSe2 and CdTe Solar Cells and "Heterojunction Development and Optimization in Thin-Film Compound Semiconductor Solar Cells", Presented to DOE Peer Review Committee, Denver, CO, November 16, 1994.
"CuInSe2 and CdTe Thin Films for Photovoltaic Applications", American Institute of Physics Proceedings, 12th NREL Photovoltaic Program review, Denver CO (1993) p. 309.
"High Efficiency CdTe Solar Cells by Close Spaced Sublimation", C. Ferekides, J. Britt, Y. Ma, and L. Killian, Proc. 23rd IEEE Photovoltaic Spec. Conf., pp 389-393, (1993).
"High Efficiency Thin Film Cadmium Telluride Solar Cells", T. L. Chu, S. S. Chu, J. Britt, G. Chen, C. Ferekides, N. Shultz, C. Wang, and C. Q. Wu, American Institute of Physics Proceedings 268, Photovoltaic Advanced Research and Development Project, Denver CO (1992) p. 88.
"Effect of Processing Parameters on Cadmium Sulfide Films for Thin Film CdTe/CdS Solar Cells", C. S. Ferekides, J. S. Britt, Y. Ma, and L. Killian, presented at the 1993 Spring Meeting of the Materials Research Society, San Francisco, CA, April 12-16, 1993.
"High Efficiency Thin Film Cadmium Telluride Solar Cells", T. L. Chu, S. S. Chu, J. Britt, G. Chen, C. Ferekides, N. Schultz, C. Wang, and C. Q. Wu, presented at the 11th European Photovoltaic Solar Energy Conference and Exhibition, Montreux, Switzerland, October 12-16, 1992.
"Recent Advances in CdTe Solar Cells by Close-Spaced Sublimation", J. Britt, and C. Ferekides, presented at the 11th European Photovoltaic Solar Energy Conference and Exhibition, Montreux, Switzerland, October 12-16, 1992.
"Cadmium Zinc Sulfide Films for Heterojunction Devices", T. L. Chu, S. S. Chu, J. Britt, C. Ferekides, and C. Q. Wu, Proc. 22nd IEEE Photovoltaic Spec. Conf., pp 1136-1140, (1991).
"High Efficiency CdS/CdTe Solar Cells from Solution-Grown CdS Films", Proc. 22nd IEEE Photovoltaic Spec. Conf., pp 952-956, (1991).
"Cadmium Zinc Telluride Films by Metalorganic Chemical Vapor Deposition", T. L. Chu, S. S. Chu, C. Ferekides, J. Britt, C. Q. Wu, Society for the Advancement of Material and Process Engineering Meeting, Los Angeles, CA, June 19-21, 1991.
"Films and Junctions of Cadmium Zinc Telluride and Mercury Zinc Telluride by MOCVD", T. L. Chu, S. S. Chu, J. Britt, C. Ferekides, C. Q. Wu, presented at the Fifth Biennial Workshop on Organometallic Vapor Phase Epitaxy, Panama City, FL, April 14-17, 1991.
"MOCVD Zinc Telluride and Cadmium Telluride Films for Photovoltaic Devices", T. L. Chu, S. S. Chu, C. Ferekides, J. Britt, C. Q. Wu, presented at the 2nd International Conference on Electronic Materials, Newark, N.J., September 17-19, Proc. 2nd International Conference on Electronic Materials, p. 345, (1990).
"Thin Film CdTe Homojunctions by MOCVD", T. L. Chu, S. S. Chu, C. Ferekides, J. Britt, C. Q. Wu, Proc. 21st IEEE Photovoltaic Spec. Conf., pp 777- 781, (1990).
"Zinc Telluride Films for Photonic Devices", T. L. Chu, S. S. Chu, J. Britt, C. Ferekides, C. Q. Wu, presented at the 176th National Meeting of the Electrochemical Society, Hollywood, FL, October 15-20, 1989.
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