Correlating nanomorphology with charge-transport anisotropy in conjugated-polymer thin films

Yi-Fang Huang, Chan-Wei Chang, Detlef-Matthias Smilgies, U-Ser Jeng, Anto Regis Inigo, Jonathon David White, Kang-Chuang Li, Tsong-Shin Lim, Tai-De Li, Hsiang-Yun Chen, Show-An Chen, Wen-Chang Chen, Wun-Shain Fann, Jesuraj Inigo

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Anisotropic mobility in spin-coated MEH-PPV films is due to an interfacial layer of several nanometers at the film-substrate interface with a higher electron density assisted by local chain alignment parallel to the substrate. This layer is formed via spin-coating. The strength of this interface effect is dependent on the solvent used.

Original languageEnglish
Pages (from-to)2988-2992
Number of pages5
JournalAdvanced Materials
Volume21
Issue number29
Early online date14 Apr 2009
DOIs
Publication statusPublished - 7 Aug 2009

Keywords

  • nanomorphology
  • charge-transport anisotropy
  • conjugated-polymer thin films
  • mobility
  • morphology
  • conjugated polymer

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