Low band gap selenophene-diketopyrrolopyrrole polymers exhibiting high and balanced ambipolar performance in bottom-gate transistors

Munazza Shahid, Thomas McCarthy-Ward, John Labram, Stephan Rossbauer, Ester Buchaca Domingo, Scott E. Watkins, Natalie Stingelin, Thomas Anthopoulos, Martin Heeney*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

149 Scopus citations

Abstract

We report the synthesis of a selenophene-diketopyrrolopyrrole monomer and its co-polymerisation with selenophene and thieno[3,2-b]thiophene monomers by Stille coupling. The resulting low band gap polymers exhibit ambipolar charge transport in organic field effect transistors. High and balanced electron and hole mobilities in excess of 0.1 cm2 V-1 s-1 were observed in bottom-gate, bottom-contact devices, suggesting that selenophene inclusion is a promising strategy for the development of ambipolar organic semiconductors.

Original languageEnglish (US)
Pages (from-to)181-185
Number of pages5
JournalChemical Science
Volume3
Issue number1
DOIs
StatePublished - Jan 1 2012

ASJC Scopus subject areas

  • Chemistry(all)

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