A ternary conjugated D-A copolymer yields over 9.0% efficiency in organic solar cells

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Abstract

Ternary conjugated D-A copolymers are designed and synthesized by using indenothiophene and benzodithiophene as the weak and the strong donors, respectively, and fluorinated benzodithiazole as the strong acceptor. The best performance copolymer delivers a high PCE of 9.08%, which is a record efficiency for ternary conjugated D-A copolymers reported to date.

Original languageEnglish
Pages (from-to)12015-12021
Number of pages7
JournalJournal of Materials Chemistry A
Volume5
Issue number24
DOIs
StatePublished - 2017

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