Optical study of back-contacted CIGS solar cells

Nasim Rezaei; Olindo Isabella; Paul Procel; Zeger Vroon; Miro Zeman

doi:10.1364/OE.27.00A269

Optical study of back-contacted CIGS solar cells

Nasim Rezaei^*, Olindo Isabella, Paul Procel, Zeger Vroon, Miro Zeman

^*Corresponding author for this work

Photovoltaic Materials and Devices

Research output: Contribution to journal › Article › Scientific › peer-review

Abstract

A novel back-contacted solar cell based on a submicron copper indium gallium (di)selenide (CIGS) absorber is proposed and optically investigated. First, charge carrier collection feasibility is studied by band diagram analysis. Then, two back-contacted configurations are suggested and optimized for maximum current production. The results are compared with a reference front/back-contacted CIGS solar cell with a 750-nm-thick absorber. Current density production of 38.84 mA/cm ² is predicted according to our simulations for a realistic front-side texturing. This shows more than 38% improvement in optical performance compared to the reference cell and only 7.7% deviation from the theoretical Green absorption benchmark.

Original language	English
Pages (from-to)	A269-A279
Number of pages	11
Journal	Optics Express
Volume	27
Issue number	8
DOIs	https://doi.org/10.1364/OE.27.00A269
Publication status	Published - 2019

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title = "Optical study of back-contacted CIGS solar cells",

abstract = " A novel back-contacted solar cell based on a submicron copper indium gallium (di)selenide (CIGS) absorber is proposed and optically investigated. First, charge carrier collection feasibility is studied by band diagram analysis. Then, two back-contacted configurations are suggested and optimized for maximum current production. The results are compared with a reference front/back-contacted CIGS solar cell with a 750-nm-thick absorber. Current density production of 38.84 mA/cm 2 is predicted according to our simulations for a realistic front-side texturing. This shows more than 38% improvement in optical performance compared to the reference cell and only 7.7% deviation from the theoretical Green absorption benchmark.",

author = "Nasim Rezaei and Olindo Isabella and Paul Procel and Zeger Vroon and Miro Zeman",

year = "2019",

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AU - Rezaei, Nasim

AU - Isabella, Olindo

AU - Procel, Paul

AU - Vroon, Zeger

AU - Zeman, Miro

PY - 2019

Y1 - 2019

N2 - A novel back-contacted solar cell based on a submicron copper indium gallium (di)selenide (CIGS) absorber is proposed and optically investigated. First, charge carrier collection feasibility is studied by band diagram analysis. Then, two back-contacted configurations are suggested and optimized for maximum current production. The results are compared with a reference front/back-contacted CIGS solar cell with a 750-nm-thick absorber. Current density production of 38.84 mA/cm 2 is predicted according to our simulations for a realistic front-side texturing. This shows more than 38% improvement in optical performance compared to the reference cell and only 7.7% deviation from the theoretical Green absorption benchmark.

AB - A novel back-contacted solar cell based on a submicron copper indium gallium (di)selenide (CIGS) absorber is proposed and optically investigated. First, charge carrier collection feasibility is studied by band diagram analysis. Then, two back-contacted configurations are suggested and optimized for maximum current production. The results are compared with a reference front/back-contacted CIGS solar cell with a 750-nm-thick absorber. Current density production of 38.84 mA/cm 2 is predicted according to our simulations for a realistic front-side texturing. This shows more than 38% improvement in optical performance compared to the reference cell and only 7.7% deviation from the theoretical Green absorption benchmark.

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JO - Optics Express

JF - Optics Express

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Optical study of back-contacted CIGS solar cells

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