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Temperature stability of contact systems for GaSb-based photovoltaic converters

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Abstract

The thermally induced degradation (temperature T ≈ 200°C) of Cr-Au, Cr-Au-Ag-Au, Ti-Pt-Au, and Ti-Pt-Ag contact systems deposited onto the surface of p-GaSb by magnetron sputtering and resistive evaporation are studied. It is found that photovoltaic (PV) converters with a contact grid based on Ti-Pt-Ag are characterized by the maximum thermal stability. PV cells with gold-containing contacts based on Cr-Au and Ti-Pt-Au exhibit a high rate of degradation with increasing temperature, which may require a more effective heat removal system for their operation.

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Authors and Affiliations

  1. Ioffe Physical-Technical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia

    V. P. Khvostikov, S. V. Sorokina, N. S. Potapovich, F. Yu. Soldatenkov & N. Kh. Timoshina

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  1. V. P. Khvostikov
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  2. S. V. Sorokina
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  3. N. S. Potapovich
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  4. F. Yu. Soldatenkov
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  5. N. Kh. Timoshina
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Correspondence to V. P. Khvostikov.

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Original Russian Text © V.P. Khvostikov, S.V. Sorokina, N.S. Potapovich, F.Yu. Soldatenkov, N.Kh. Timoshina, 2014, published in Fizika i Tekhnika Poluprovodnikov, 2014, Vol. 48, No. 9, pp. 1280–1286.

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Khvostikov, V.P., Sorokina, S.V., Potapovich, N.S. et al. Temperature stability of contact systems for GaSb-based photovoltaic converters. Semiconductors 48, 1248–1253 (2014). https://doi.org/10.1134/S1063782614090115

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  • DOI: https://doi.org/10.1134/S1063782614090115

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