Diarylindenotetracenes via a selective cross-coupling/C-H functionalization: Electron donors for organic photovoltaic cells

Xingxian Gu, Wade A. Luhman, Elisey Yagodkin, Russell J. Holmes, Christopher J. Douglas

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

A direct synthesis of new donor materials for organic photovoltaic cells is reported. Diaryindenotetracenes were synthesized utilizing a Kumada-Tamao-Corriu cross-coupling of peri-substituted tetrachlorotetracene with spontaneous indene annulation via C-H activation. Vacuum deposited planar heterojunction organic photovoltaic cells incorporating these molecules as electron donors exhibit power conversion efficiencies exceeding 1.5% with open-circuit voltages ranging from 0.7 to 1.1 V when coupled with C 60 as an electron acceptor.

Original languageEnglish (US)
Pages (from-to)1390-1393
Number of pages4
JournalOrganic Letters
Volume14
Issue number6
DOIs
StatePublished - Mar 16 2012

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