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dc.contributor.authorUpama, M.
dc.contributor.authorWright, M.
dc.contributor.authorMahmud, M.
dc.contributor.authorElumalai, Naveen Kumar
dc.contributor.authorSoufiani, A.
dc.contributor.authorWang, D.
dc.contributor.authorXu, C.
dc.contributor.authorUddin, A.
dc.date.accessioned2019-02-19T04:15:23Z
dc.date.available2019-02-19T04:15:23Z
dc.date.created2019-02-19T03:58:36Z
dc.date.issued2017
dc.identifier.citationUpama, M. and Wright, M. and Mahmud, M. and Elumalai, N.K. and Soufiani, A. and Wang, D. and Xu, C. et al. 2017. Photo-degradation of high efficiency fullerene-free polymer solar cells. Nanoscale. 9 (47): pp. 18788-18797.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/73978
dc.identifier.doi10.1039/C7NR06151J
dc.description.abstract

Polymer solar cells are a promising technology for the commercialization of low cost, large scale organic solar cells. With the evolution of high efficiency (>13%) non-fullerene polymer solar cells, the stability of the cells has become a crucial parameter to be considered. Among the several degradation mechanisms of polymer solar cells, burn-in photo-degradation is relatively less studied. Herein, we present the first systematic study of photo-degradation of novel PBDB-T:ITIC fullerene-free polymer solar cells. The thermally treated and as-prepared PBDB-T:ITIC solar cells were exposed to continuous 1 sun illumination for 5 hours. The aged devices exhibited rapid losses in the short-circuit current density and fill factor. The severe short-circuit current and fill factor burn in losses were attributed to trap mediated charge recombination, as evidenced by an increase in Urbach energy for aged devices.

dc.publisherR S C Publications
dc.titlePhoto-degradation of high efficiency fullerene-free polymer solar cells
dc.typeJournal Article
dcterms.source.volume9
dcterms.source.number47
dcterms.source.startPage18788
dcterms.source.endPage18797
dcterms.source.titleNanoscale
curtin.accessStatusFulltext not available


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