Photocapacitance and current collection in CdS/CdTe thin-film solar cells

1 May 1984

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Electron Devices

Vol. 31 (5), 664-670
https://doi.org/10.1109/t-ed.1984.21587

Abstract

A large photocapacitance is observed in CdS/CdTe thin-film solar cells. A Schottky-barrier solar cell containing deep levels within the bulk was considered, and the dependence of photocapacitance on defect energy level, capture cross section, defect concentration, and light intensity was calculated. Predictions of the model with parameters appropriate for the CdS/CdTe solar cell and information on deep levels obtained from DLTS agreed with experiment.

Keywords

SOLAR CELLS
MODEL
DEFECT
PHOTOCAPACITANCE
SCHOTTKY
DLTS
FILM SOLAR
CDS/CDTE THIN

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