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Updated: Mar 26, 2026

Ambient Method for the Production of an Ionically Gated Carbon Nanotube Common Cathode in Tandem Organic Solar Cells
Published on: November 5, 2014
PCDTBT based solar cells: one year of operation under real-world conditions
Yiwei Zhang1, Edward Bovill1, James Kingsley2
1Department of Physics and Astronomy, University of Sheffield, Sheffield, S3 7RH, UK.
Abstract:
We 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.
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