Raman spectra of heavily sodium-doped trans-poly acetylene and the radical anions of diphenylpolyenes and dithienylpolyenes

Yukio Furukawa, Yasue Uchida, Mitsuo Tasumi, Charles W. Spangler

研究成果: Article査読

9 被引用数 (Scopus)

抄録

The Raman spectra of trans-poly acetyl ene doped with sodium (Na) at the maximal level have been measured with excitation laser lines between 488.0 and 1064 nm. These spectra have been compared with those of model compounds, i.e., the radical anions of α, ω-diphenylpolyenes (Ph-(CH=CH).-Ph, n = 3, 4) and a, co-di-2-thienylpolyenes (Th-(CH=CH).-Th, n = 3 and 4). The similarity between the Raman spectra of Na-doped polyacetylene and those of the radical anions indicates that the observed bands of Na-doped polyacetylene arise from charged domains generated by Na-doping. The observed large wavenumber dispersion of the C=C stretching vibration of the charged domains suggests a broad distribution of localization lengths in the charged domains.

本文言語English
ページ(範囲)721-726
ページ数6
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

  • 凝縮系物理学

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