Search Results - "Geisthardt, Russell M."
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Optimization of CdTe thin-film solar cell efficiency using a sputtered, oxygenated CdS window layer
Published in Progress in photovoltaics (01-11-2015)“…A major source of loss in cadmium sulfide/cadmium telluride (CdS/CdTe) solar cells results from light absorbed in the CdS window layer, which is not converted…”
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Journal Article -
2
Status and Potential of CdTe Solar-Cell Efficiency
Published in IEEE journal of photovoltaics (01-07-2015)“…The status of the highest efficiency CdTe solar cells is presented in the context of comparative loss analysis among the leading technologies for single- and…”
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Journal Article -
3
Performance Limits and Status of Single-Junction Solar Cells With Emphasis on CIGS
Published in IEEE journal of photovoltaics (01-01-2015)“…Limitations in performance and the status of single-junction solar cells are reviewed. Conversion efficiency in single-junction solar cells is systematically…”
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Journal Article -
4
Nonuniformity Characterization of CdTe Solar Cells Using LBIC
Published in IEEE journal of photovoltaics (01-07-2014)“…Light-beam-induced current measurements have been used for characterization of nonuniformities in cadmium telluride (CdTe) solar cells. Spectral dependence,…”
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Journal Article -
5
Improved CdTe Solar-Cell Performance by Plasma Cleaning the TCO Layer
Published in IEEE journal of photovoltaics (01-04-2013)“…A hollow-cathode plasma-cleaning source, designed for uniformity, was added to the load-lock region of an existing single-vacuum CdTe-cell fabrication system…”
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Journal Article -
6
Reduction of window layer optical losses in CdS/CdTe solar cells using a float-line manufacturable HRT layer
Published in 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) (01-06-2013)“…Buffer, or high-resistance transparent (HRT) layers have been shown to increase the efficiency of CdS/CdTe solar cells. CdS/CdTe cells were fabricated on…”
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Conference Proceeding -
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Superstrate design for increased CdS/CdTe solar cell efficiencies
Published in 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) (01-06-2013)“…The optical and electrical properties of the glass superstrate and window layer materials play critical roles in the performance of CdTe photovoltaic devices…”
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Conference Proceeding -
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Molybdenum oxide and molybdenum oxide-nitride back contacts for CdTe solar cells
Published in Journal of vacuum science & technology. A, Vacuum, surfaces, and films (01-07-2015)“…Molybdenum oxide (MoOx) and molybdenum oxynitride (MoON) thin film back contacts were formed by a unique ion-beam sputtering and ion-beam-assisted deposition…”
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Journal Article -
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Light-beam-induced-current characterization of CdTe solar cells
Published in 2014 IEEE 40th Photovoltaic Specialist Conference (PVSC) (01-06-2014)“…In this work, light-beam-induced-current (LBIC) measurements are discussed as a characterization tool for nonuniformities in solar cells. A modification of the…”
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Conference Proceeding -
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Device characterization of cadmium telluride photovoltaics
Published 01-01-2014“…Thin-film photovoltaics have the potential to make a large impact on the world energy supply. They can provide clean, affordable energy for the world…”
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Dissertation