Molecular design for improved photovoltaic efficiency: band gap and absorption coefficient engineering

Rajib Mondal, Sangwon Ko, Joseph E. Norton, Nobuyuki Miyaki, Hector A. Becerril, Eric Verploegen, Michael F. Toney, Jean-Luc Brédas, Michael D. McGehee, Zhenan Bao

Research output: Contribution to journalArticlepeer-review

66 Scopus citations

Abstract

Removing the adjacent thiophene groups around the acceptor core in low band gap polymers significantly enhances solar cell efficiency through increasing the optical absorption and raising the ionization potential of the polymer. © 2009 The Royal Society of Chemistry.
Original languageEnglish (US)
Pages (from-to)7195
JournalJournal of Materials Chemistry
Volume19
Issue number39
DOIs
StatePublished - 2009
Externally publishedYes

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