Pyrroloindacenodithiophene polymers: The effect of molecular structure on OFET performance

Jenny E. Donaghey*, Eun Ho Sohn, Raja Ashraf, Thomas Anthopoulos, Scott E. Watkins, Kigook Song, Charlotte K. Williams, Iain Mcculloch

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

The synthesis, characterization and testing of four novel pyrroloindacenodithiophene (NIDT) copolymers, in organic field effect transistor (OFET) devices, is reported. Copolymerization of thiophene, thienothiophene, thienopyrrolodione and diketopyrrolopyrrole with NIDT, to form alternating copolymers, is described. Two-dimensional Grazing Incidence Wide Angle X-ray Diffraction (2D GIWAXD) is used to probe the thin film molecular structure and, together with DFT studies, help to explain why the diketopyrrolopyrrole containing polymer outperforms the others in terms of hole transport, exhibiting an average mobility of 0.01 cm2 V-1 s-1.

Original languageEnglish (US)
Pages (from-to)3537-3544
Number of pages8
JournalPolymer Chemistry
Volume4
Issue number12
DOIs
StatePublished - Jun 21 2013

ASJC Scopus subject areas

  • Bioengineering
  • Biochemistry
  • Polymers and Plastics
  • Organic Chemistry

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