Oxidative polymerization of pyrrole with a vanadium dinuclear complex as a two-electron redox catalyst

Eishun Tsuchida, Kimihisa Yamamoto, Kenichi Oyaizu

    Research output: Contribution to journalArticle

    20 Citations (Scopus)

    Abstract

    The catalytic oxidation of pyrrole by the [(salen)VIVOVV(salen)]3+ cation, which is formed on an electrode surface by the oxidation of [(salen)VIVOVIV(salen)]2+, was examined by hydrodynamic voltammetry at a rotating glassy carbon disk electrode. The electron transfer rate constant for the cross-reaction [(salen)VOV(salen)]3+/pyrrole was estimated to be 4 × 104 mol-1 cm3 s-1. O2-oxidation of the [(salen)VOV(salen)]+ cation gives rise to the catalysis for the O2-oxidative polymerization of pyrrole. The polymerization was rate-determined by the reoxidation step of the catalyst by O2.

    Original languageEnglish
    Pages (from-to)167-171
    Number of pages5
    JournalJournal of Electroanalytical Chemistry
    Volume438
    Issue number1-2
    Publication statusPublished - 1997 Nov 25

    Fingerprint

    Vanadium
    Pyrroles
    Positive ions
    Polymerization
    Oxidation
    Electrodes
    Catalysts
    Electrons
    Catalytic oxidation
    Glassy carbon
    Voltammetry
    Catalysis
    Rate constants
    Hydrodynamics
    Cations
    Oxidation-Reduction
    disalicylaldehyde ethylenediamine

    Keywords

    • Oxidative polymerization
    • Two-electron transfer
    • Vanadium dinuclear complex

    ASJC Scopus subject areas

    • Chemical Engineering(all)
    • Analytical Chemistry
    • Electrochemistry

    Cite this

    Oxidative polymerization of pyrrole with a vanadium dinuclear complex as a two-electron redox catalyst. / Tsuchida, Eishun; Yamamoto, Kimihisa; Oyaizu, Kenichi.

    In: Journal of Electroanalytical Chemistry, Vol. 438, No. 1-2, 25.11.1997, p. 167-171.

    Research output: Contribution to journalArticle

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