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Nature Research, Scientific Reports, 1(6), 2016

DOI: 10.1038/srep21632

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PCDTBT based solar cells: one year of operation under real-world conditions

Journal article published in 2016 by Yiwei Zhang ORCID, Edward Bovill, James Kingsley, Alastair R. Buckley, Hunan Yi, Ahmed Iraqi, Tao Wang ORCID, David G. Lidzey ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

AbstractWe present measurements of the outdoor stability of PCDTBT:PC71BM based bulk heterojunction organic solar cells for over the course of a year. We find that the devices undergo a burn-in process lasting 450 hours followed by a TS80 lifetime of up to 6200 hours. We conclude that in the most stable devices, the observed TS80 lifetime is limited by thermally-induced stress between the device layers, as well as materials degradation as a result of edge-ingress of water or moisture through the encapsulation.