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2010•Unpublished venueRequires access

Modeling of CdZnTe and CIGS and tandem solar cells

Yuanzhang Xiao, Z. Q. Li, Michel Lestrade, Z. M. Simon Li

Open publisher page 12 citations

Abstract

Based on Crosslight APSYS, single junction CdZnTe and CIGS solar cells as well as two-terminal CdZnTe/CIGS tandem cells with tunnel junction 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, the related material defect trap states and the top TCO layer affinity. The projected efficiency obtained is 26% for the modeled two-terminal CZT/CIGS tandem cell. The modeling results give possible clues for developing related tandem solar cells with enhanced efficiency.

About this research paper

What this paper is about

Based on Crosslight APSYS, single junction CdZnTe and CIGS solar cells as well as two-terminal CdZnTe/CIGS tandem cells with tunnel junction 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, the related material defect trap states and the top TCO layer affinity. The projected efficiency obtained is 26% for the modeled two-terminal CZT/CIGS tandem cell. The modeling results give possible clues for developing related tandem solar cells with enhanced efficiency.

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OpenAlex reports 12 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Based on Crosslight APSYS, single junction CdZnTe and CIGS solar cells as well as two-terminal CdZnTe/CIGS tandem cells with tunnel junction 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, the related material defect trap states and the top TCO layer affinity. The projected efficiency obtained is 26% for the modeled two-terminal CZT/CIGS tandem cell. The modeling results give possible clues for developing related tandem solar cells with enhanced efficiency.

Key concepts: Copper indium gallium selenide solar cells, Tandem, Optoelectronics, Quantum efficiency, Materials science, Absorption (acoustics), Layer (electronics), Solar cell

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