The 1320-nm excited FT-Raman spectra of lightly iodine-doped trans-polyacetylene

Jin Yeol Kim, Yukio Furukawa, Akira Sakamoto, Mitsuo Tasumi

    Research output: Contribution to journalArticle

    8 Citations (Scopus)

    Abstract

    The FT-Raman spectra of trans-polyacetylene films doped lightly with iodine were obtained with the 1320-nm laser line. The observed Raman bands are attributed to positively charged domains created by acceptor doping. The observed Raman wavenumbers of the ν2 (CC stretch), ν3 and ν4 bands (mixed of CC stretch and CH in-plan bending) of iodine-doped form are slightly higher than those of the corresponding bands of pristine trans-polyacetylene, whereas the contrary is the case for ν1 band (C=C stretch) of iodine-doped form. In particular, these upshifts of the ν2 and ν3 bands are distinguished from the downshifts of these bands in donor doping. The origin of doping induced Raman bands is discussed in terms of solitons and polarons.

    Original languageEnglish
    Pages (from-to)286-290
    Number of pages5
    JournalMacromolecular Research
    Volume10
    Issue number5
    Publication statusPublished - 2002 Oct

    Fingerprint

    Polyacetylenes
    Iodine
    Raman scattering
    Doping (additives)
    Polarons
    Solitons
    Lasers

    Keywords

    • Iodine doping
    • Raman spectroscopy
    • Trans-polyacetylene

    ASJC Scopus subject areas

    • Polymers and Plastics
    • Materials Chemistry

    Cite this

    The 1320-nm excited FT-Raman spectra of lightly iodine-doped trans-polyacetylene. / Kim, Jin Yeol; Furukawa, Yukio; Sakamoto, Akira; Tasumi, Mitsuo.

    In: Macromolecular Research, Vol. 10, No. 5, 10.2002, p. 286-290.

    Research output: Contribution to journalArticle

    Kim, Jin Yeol ; Furukawa, Yukio ; Sakamoto, Akira ; Tasumi, Mitsuo. / The 1320-nm excited FT-Raman spectra of lightly iodine-doped trans-polyacetylene. In: Macromolecular Research. 2002 ; Vol. 10, No. 5. pp. 286-290.
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