Pyrroloindacenodithiophene containing polymers for organic field effect transistors and organic photovoltaics

Jenny E. Donaghey*, Raja Ashraf, Youngju Kim, Zheng Gang Huang, Christian B. Nielsen, Weimin Zhang, Bob Schroeder, Christophe R.G. Grenier, Christopher T. Brown, Pasquale D'Angelo, Jeremy Smith, Scott Watkins, Kigook Song, Thomas Anthopoulos, James R. Durrant, Charlotte K. Williams, Iain Mcculloch

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

43 Scopus citations

Abstract

The synthesis of the novel electron-rich pyrroloindacenodithiophene (NIDT) unit is reported. Stille copolymerization of the distannylated NIDT unit, with the electron-deficient dibrominated benzothiadiazole (BT), difluorobenzothiadiazole (ffBT), thienopyrrolodione (TPD) and 1,1′-bithienopyrrolodione (biTPD) units afforded a series of low band gap semiconducting polymers. Initial testing shows promise for the use of these materials as p-type semiconductors in organic field effect transistors (OFETs) with mobilities as high as 0.07 cm2V-1s-1 being measured. These materials have also been tested as the donor polymer in polymer/fullerene bulk heterojunction organic photovoltaics (OPVs) giving maximum efficiencies of 2.5%.

Original languageEnglish (US)
Pages (from-to)18744-18752
Number of pages9
JournalJournal of Materials Chemistry
Volume21
Issue number46
DOIs
StatePublished - Dec 14 2011

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Chemistry

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