Bulk heterojunction solar cells with large open-circuit voltage: Electron transfer with small donor-acceptor energy offset

Xiong Gong, Minghong Tong, Fulvio G. Brunetti, Junghwa Seo, Yanming Sun, Daniel Moses, Fred Wudl, Alan J. Heeger

Research output: Contribution to journalArticlepeer-review

248 Scopus citations

Abstract

Photoinduced electron transfer is observed in polymer bulk heterojunction solar cells with very small interfacial energy offset. The results imply that open circuit voltage values close to the band gap of the semiconducting polymer should be possible for polymer bulk heterojunction solar cells just as for inorganic solar cells.

Original languageEnglish
Pages (from-to)2272-2277
Number of pages6
JournalAdvanced Materials
Volume23
Issue number20
DOIs
StatePublished - 24 May 2011

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