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Current Transport Mechanisms in CuIn1−xGaxSe2 and CIS Thin-Film Solar Cells on Flexible Stainless Steel Substrates

Published online by Cambridge University Press:  21 March 2011

Gaurav A. Naik  and
Wayne A. Anderson
Gaurav A. Naik
Affiliation:
University at BuffaloState University of New York Electrical Engineering Department Buffalo, NY 14260
Wayne A. Anderson
Affiliation:
University at BuffaloState University of New York Electrical Engineering Department Buffalo, NY 14260
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Abstract

Copper indium gallium selenide (CIGS) solar cells on thin film stainless steel substrates were evaluated by current-voltage-temperature (IVT) from 150K-350K to determine current transport mechanisms. Both dark and photo data at reverse and low forward voltages exhibited tunneling-like behavior. At intermediate forward voltages, diffusion or thermionic emission are suggested by an ideality factor close to 1.0. At higher currents and voltages there is a trend towards recombination or space change limited behavior.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 668: Symposium H – II-IV Compound Semiconductor Photovoltaic Materials , 2001 , H3.10
Copyright
Copyright © Materials Research Society 2001

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References

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