Ultrathin GaAs and CIGS solar cells (Conference Presentation)

Stéphane Collin

doi:10.1117/12.2515295

8 March 2019 Ultrathin GaAs and CIGS solar cells (Conference Presentation)

Stéphane Collin

Proceedings Volume 10913, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices VIII; 109130J (2019) https://doi.org/10.1117/12.2515295
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

In photovoltaics, recent advances in light trapping open the way toward a decrease of the absorber thickness by more than one order of magnitude. It could enable significant material savings and cost reduction of silicon and thin-film solar cells, and may constitute a breakthrough for the development of hot-carrier solar cells. First, we review recent achievements of ultrathin GaAs and CIGS solar cells. Second, we describe 200nm-thick GaAs solar cells with a nanostructured back mirror and demonstrate a record 19.9% efficiency. Third, we present the development of ultrathin and low-cost CIGS solar cells with a back mirror.

Conference Presentation

Citation Download Citation

Stéphane Collin "Ultrathin GaAs and CIGS solar cells (Conference Presentation)", Proc. SPIE 10913, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices VIII, 109130J (8 March 2019); https://doi.org/10.1117/12.2515295

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