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Stability study of thermal cycling on organic solar cells

Lee, Harrison Ka Hin, Durrant, James R., Li, Zhe and Tsoi, Wing Chung 2018. Stability study of thermal cycling on organic solar cells. Journal of Materials Research 33 (13) , pp. 1902-1908. 10.1557/jmr.2018.167

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We present a side-by-side comparison of the stability of three different types of benchmark solution-processed organic solar cells (OSCs), subject to thermal cycling stress conditions. We study the in situ performance during 5 complete thermal cycles between −100 and 80 °C and find that all the device types investigated exhibit superior stability, albeit with a distinct temperature dependence of device efficiency. After applying a much harsher condition of 50 thermal cycles, we further affirm the robustness of the OSC against thermal cycling stress. Our results suggest that OSCs could be a promising candidate for applications with large variations and rapid change in the operating temperature such as outer space applications. Also, a substantial difference in the efficiency drops from high to low temperature for different systems is observed. It suggests that maintaining optimum performance with minimal variations with operating temperature is a key challenge to be addressed for such photovoltaic applications.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
ISSN: 0884-2914
Date of First Compliant Deposit: 6 July 2018
Date of Acceptance: 15 May 2018
Last Modified: 27 Nov 2020 19:57

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