Search Results - "Morel, D. L"

Electrical and optical properties of tin-doped CdO films deposited by atmospheric metalorganic chemical vapor deposition by Zhao, Zhiyong, Morel, D.L, Ferekides, C.S

“…Highly conductive and transparent tin-doped CdO:Sn were deposited via atmospheric metalorganic chemical vapor deposition. Dimethylcadmium (DMCd),…”
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CdTe thin film solar cells: device and technology issues by Ferekides, C.S., Balasubramanian, U., Mamazza, R., Viswanathan, V., Zhao, H., Morel, D.L.

“…Polycrystalline thin film CdTe continues to be a leading material for the development of cost effective and reliable photovoltaics. Thin film CdTe solar cells…”
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Transparent conductors and buffer layers for CdTe solar cells by Ferekides, C.S., Mamazza, R., Balasubramanian, U., Morel, D.L.

“…Thin film CdTe solar cells are typically of the supertrate configuration where the junction is fabricated on a glass substrate coated with a transparent…”
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II–VI compounds as the top absorbers in tandem solar cell structures by Mahawela, P., Sivaraman, G., Jeedigunta, S., Gaduputi, J., Ramalingam, M., Subramanian, S., Vakkalanka, S., Ferekides, C.S., Morel, D.L.

“…Efficiencies of 19% have been achieved with copper indium gallium diselenide (CIGS) solar cells with a band gap of about 1.1 eV. Simulations indicate that if…”
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Transparent high-performance CDSE thin-film solar cells by Mahawela, P., Jeedigunta, S., Vakkalanka, S., Ferekides, C.S., Morel, D.L.

“…Simulations indicate that 25–30% efficiency can be achieved with a four-terminal thin-film tandem structure. The bottom low band gap cell can be CuIn 1− x Ga x…”
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The effect of the CdCl2 treatment on CdTe/CdS thin film solar cells studied using deep level transient spectroscopy by Komin, V., Tetali, B., Viswanathan, V., Yu, S., Morel, D.L., Ferekides, C.S.

“…Thin film CdTe/CdS solar cells have been studied using deep level transient spectroscopy. The correlation-deep level transient spectroscopy (DLTS) technique…”
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Cd1−XZnXTe thin films and junctions by Ferekides, C.S., Mamazza, R., Balasubramanian, U., Morel, D.L.

“…Cadmium zinc telluride has a tunable band gap in the 1*45--2*26 eV range and is therefore a suitable candidate for the top cell in tandem solar cell…”
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High efficiency CSS CdTe solar cells by Ferekides, C.S, Marinskiy, D, Viswanathan, V, Tetali, B, Palekis, V, Selvaraj, P, Morel, D.L

“…Cadmium telluride (CdTe) has long been recognized as a strong candidate for thin film solar cell applications. It has a bandgap of 1.45 eV, which is nearly…”
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Characterization of carrier generation and transport mechanisms in single-crystal and thin-film HgI2 by KHADILKAR, U, MAMAZZA, R, FEREKIDES, C. S, MOREL, D. L, DEVITO, R, SANDOVAL, J, VAN DEN BERG, L

“…High-electronic-quality thin films of mercuric iodide have been deposited on SnO2 and other transparent contacts. The crystallites exhibit some preference for…”
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Development of ZnsexTe1-x p-type contacts for high efficiency tandem structures by VAKKALANKA, S, FEREKIDES, C. S, MOREL, D. L

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Device performance characterization and junction mechanisms in CdTe/CdS solar cells by Oman, D.M, Dugan, K.M, Killian, J.L, Ceekala, V, Ferekides, C.S, Morel, D.L

“…The performance of CdTe/CdS solar cells has been successfully characterized in terms of a device model based on Shockley–Read–Hall (SRH) recombination theory…”
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Photoluminescence studies of CdTe films and junctions by Vatavu, S., Zhao, H., Padma, V., Rudaraju, R., Morel, D.L., Gaşin, P., Caraman, Iu, Ferekides, C.S.

“…Device quality CdTe films and junctions have been studied using low-temperature photoluminescence (PL) measurements. The behavior of the PL was studied as a…”
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Analysis of carrier transport phenomena in high band gap II–VI-based MIS photovoltaic devices by Mahawela, P., Jeedigunta, S., Ferekides, C.S., Morel, D.L.

“…High efficiency devices with band gaps in the 1.6–2.0 eV range are needed to develop high efficiency compound semiconductor tandem devices. CdSe with a band…”
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An effective method of Cu incorporation in CdTe solar cells for improved stability by Erra, S., Shivakumar, C., Zhao, H., Barri, K., Morel, D.L., Ferekides, C.S.

“…Thin film CdTe solar cells of the superstrate configuration have been fabricated in order to study the effect of Cu on device stability. The study focused on…”
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Transparent conducting oxide thin films of Cd2SnO4 prepared by RF magnetron co-sputtering of the constituent binary oxides by MAMAZZA, Robert JR, MOREL, Don L, FEREKIDES, Christos S

“…Thin films of cadmium tin oxide (Cd2SnO4) have been deposited on glass substrates by RF magnetron co--sputtering from cadmium oxide (CdO) and tin oxide (SnO2)…”
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Characterization and analysis of ZnO:Al deposited by reactive magnetron sputtering by Zafar, S., Ferekides, C. S., Morel, D. L.

“…We have deposited ZnO:Al films with state‐of‐the‐art electro‐optical properties by reactive magnetron sputtering from a zinc target. Films with resistivities…”
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The structural and electrical properties of Zn–Sn–O buffer layers and their effect on CdTe solar cell performance by Gayam, S., Bapanapalli, S., Zhao, H., Nemani, L., Morel, D.L., Ferekides, C.S.

“…Thin films of zinc–tin–oxide (ZTO) have been deposited on SnO 2:F coated glass substrates by co-sputtering of SnO 2 and ZnO. The deposition conditions for ZTO…”
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Identification of defect levels in CdTe/CdS solar cells using deep level transient spectroscopy by Komin, V., Viswanathan, V., Tetali, B., Morel, D.L., Ferekides, C.S.

“…Defect levels in CdTe/CdS have been characterized using correlation deep level transient spectroscopy. The devices studied were processed under various…”
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Evidence for Exponential Band Tails in Amorphous Silicon Hydride by Tiedje, T., Cebulka, J. M., Morel, D. L., Abeles, B.

“…Measurements of the shape of the localized state distribution near the conduction- and valence-band edges in thin films of glow-discharge amorphous silicon…”
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CdS: characterization and recent advances in CdTe solar cell performance by Ferekides, C., Marinskiy, D., Morel, D.L.

“…Cadmium sulfide (CdS) films deposited by chemical bath deposition (CBD) have been used for the fabrication of high efficiency CdTe and CuIn/sub 1-x/Ga/sub…”
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