GaAs Passivation with Trioctylphosphine Sulfide for Enhanced Solar Cell Efficiency and Durability

Creators: Sheldon, Matthew T.; Eisler, Carissa N.; Atwater, Harry A.

Abstract

A chemical passivation strategy to improve durability in GaAs solar cells is described. Trioctylphosphine sulfide (TOP:S) is identified among a promising new class of surfactants for enhanced performance and longevity of GaAs cells. Light-beam induced current measurements (LBIC) and other studies show treatment with TOP:S mitigates efficiency losses at unpassivated sidewalls and induced fractures.

Additional Information

© 2012 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. Issue published online: 13 Mar. 2012; Article first published online: 7 Feb. 2012; Manuscript Received: 3 Nov. 2011. This work was supported by the Department of Energy under grant DE-FG02-07ER46405 and the DARPA Portable Photovoltaics program. We thank Dr. Brendan Kayes and Alta Devices for providing the GaAs solar cells used in this study.

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Resource type: Journal Article
Publisher: Wiley
Published in: Advanced Energy Materials, 2(3), 339-344, ISSN: 1614-6832.

Created:: August 22, 2023
Modified:: October 17, 2023