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Proceedings Paper

Modeling study for developing CdZnTe(CdSe)/CIGS tandem solar cells
Author(s): Y. G. Xiao; Z. Q. Li; M. Lestrade; Z. M. Simon Li
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Paper Abstract

Based on Crosslight APSYS, single junction ZnTe/CdSe, CdZnTe/CdSe and CIGS/CdS solar cells as well as CdZnTe(CdSe)/CIGS tandem cells are modeled. Basic physical quantities like band diagrams, optical absorption and generation are obtained. Quantum efficiency and I-V curves are presented. The results are discussed with respect to the interface recombination velocity and the related material defect trap states for ZnTe/CdSe single junction solar cells and the top TCO layer affinity for tandem cells. The projected efficiency obtained is 28% for one of the modeled twoterminal tandem cells. The modeling results give possible clues for developing CdZnTe(CdSe)/CIGS tandem solar cells with increased efficiency.

Paper Details

Date Published: 8 September 2010
PDF: 8 pages
Proc. SPIE 7771, Thin Film Solar Technology II, 77710K (8 September 2010); doi: 10.1117/12.860958
Show Author Affiliations
Y. G. Xiao, Crosslight Software Inc. (Canada)
Z. Q. Li, Crosslight Software Inc. (Canada)
M. Lestrade, Crosslight Software Inc. (Canada)
Z. M. Simon Li, Crosslight Software Inc. (Canada)

Published in SPIE Proceedings Vol. 7771:
Thin Film Solar Technology II
Alan E. Delahoy; Louay A. Eldada, Editor(s)

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