Modeling study for developing CdZnTe(CdSe)/CIGS tandem solar cells

Y. G. Xiao; Z. Q. Li; M. Lestrade; Z. M. Simon Li

doi:10.1117/12.860958

8 September 2010 Modeling study for developing CdZnTe(CdSe)/CIGS tandem solar cells

Y. G. Xiao, Z. Q. Li, M. Lestrade, Z. M. Simon Li

Proceedings Volume 7771, Thin Film Solar Technology II; 77710K (2010) https://doi.org/10.1117/12.860958
Event: SPIE Solar Energy + Technology, 2010, San Diego, California, United States

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.

Citation Download Citation

Y. G. Xiao, Z. Q. Li, M. Lestrade, and Z. M. Simon Li "Modeling study for developing CdZnTe(CdSe)/CIGS tandem solar cells", Proc. SPIE 7771, Thin Film Solar Technology II, 77710K (8 September 2010); https://doi.org/10.1117/12.860958

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