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 D. Anthopoulos, Kigook Song, Iain McCulloch

Research output: Contribution to journalArticlepeer-review

24 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
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Materials Science

Keywords

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

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