Raman studies of doped polythiophene and the radical cation and dication of quinquethiophene

Yukio Furukawa, Nami Yokonuma, Mitsuo Tasum, Masami Kuroda, Juzo Nakayama

研究成果: Article査読

16 被引用数 (Scopus)

抄録

The near-infrared Raman and electronic absorption spectra of an as-polymerized BF4˜-doped polythiophene film have been measured and analyzed by referring to the data of the radical cation and dication of a-quinquethiophene, which are models of a positive polaron and a positive bipolaron, respectively. Similarities between the Raman spectrum of doped polythiophene and that of the radical cation suggest that the observed Raman bands of the doped polymer arise from positive polarons. It is shown that the two characteristic bands in the electronic absorption spectrum of the doped polymer are assignable to positive polarons.

本文言語English
ページ(範囲)113-120
ページ数8
ジャーナルMolecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals
256
1
DOI
出版ステータスPublished - 1994 11
外部発表はい

ASJC Scopus subject areas

  • Condensed Matter Physics

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