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Effect of Light Soaking on the Spectrally and Spatially Resolved Collection Efficiency of a-Si:H Solar Cells

Published online by Cambridge University Press:  01 January 1993

M. B. VON DER Linden ,
R. E. I. Schropp ,
O. P. Lekkerkerker ,
J. DAEY Ouwens  and
W. F. Van Der Weg
M. B. VON DER Linden
Affiliation:
Debye Institute, Dept. of Atomic &; Interface Physics, Utrecht University, P.O. Box 80.000, NL - 3508 TA Utrecht The Netherlands
R. E. I. Schropp
Affiliation:
Debye Institute, Dept. of Atomic &; Interface Physics, Utrecht University, P.O. Box 80.000, NL - 3508 TA Utrecht The Netherlands
O. P. Lekkerkerker
Affiliation:
Debye Institute, Dept. of Atomic &; Interface Physics, Utrecht University, P.O. Box 80.000, NL - 3508 TA Utrecht The Netherlands
J. DAEY Ouwens
Affiliation:
Debye Institute, Dept. of Atomic &; Interface Physics, Utrecht University, P.O. Box 80.000, NL - 3508 TA Utrecht The Netherlands
W. F. Van Der Weg
Affiliation:
Debye Institute, Dept. of Atomic &; Interface Physics, Utrecht University, P.O. Box 80.000, NL - 3508 TA Utrecht The Netherlands
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Abstract

Light soaking of a-Si:H solar cells gives rise to a decrease in the spatially resolved collection efficiency. In the internal collection efficiency distributions measured under bias light conditions two crossing points appear during light soaking. The existence and the shift of these points could be explained by a combined bulk i-layer light soaking effect and a more pronounced collection loss at the p+/i-interface. This spatially non-uniform degradation was confirmed by the Dynamic Inner Collection (DICE) method.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 297: Symposium A – Amorphous Silicon Technology - 1993 , 1993 , 625
Copyright
Copyright © Materials Research Society 1993

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References

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