Improved field-effect transistor performance of a benzotrithiophene polymer through ketal cleavage in the solid state

Christian B. Nielsen*, Eun Ho Sohn, Dong Jun Cho, Bob C. Schroeder, Jeremy Smith, Mongryong Lee, Thomas Anthopoulos, Kigook Song, Iain Mcculloch

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

A benzotrithiophene polymer with a new thermally cleavable ketal substituent is reported. It is shown how this functional group can be used to facilitate solvent processing and, subsequently, how it can be removed by a thermal annealing process to generate a structurally ordered and crystalline thin film with significantly improved field-effect transistor properties.

Original languageEnglish (US)
Pages (from-to)1806-1810
Number of pages5
JournalACS Applied Materials and Interfaces
Volume5
Issue number5
DOIs
StatePublished - Mar 13 2013

Keywords

  • benzotrithiophene
  • conjugated polymers
  • field-effect transistors
  • hole mobility
  • thermal cleavage

ASJC Scopus subject areas

  • Materials Science(all)

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