Polaron localization at interfaces in high-mobility microcrystalline conjugated polymers

N. Zhao, Y. Y. Noh, J. F. Chang, M. Heeney, Iain Mcculloch, H. Sirringhaus*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

86 Scopus citations

Abstract

The charge-induced optical absorptions of two-dimensional polarons in semicrystalline, high-mobility conjugated polymers are investigated as a function of distance from an interface with polymer gate dielectrics of different dielectric constants. For high-k dielectrics, polarons in the accumulation layer at the interface are found to be more localized than those in the bulk.

Original languageEnglish (US)
JournalAdvanced Materials
Volume21
Issue number37
DOIs
StatePublished - Oct 14 2009

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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