Time-resolved near-infrared surface-enhanced Raman spectroscopy of a surface-confined electrochemical reaction of 9,10-phenanthrenequinone

Toshio Ishioka, Tatsuya Uchida, Norio Teramae

    Research output: Contribution to journalArticle

    3 Citations (Scopus)

    Abstract

    A measurement system for time-resolved surface-enhanced Raman spectroscopy with a submillisecond time resolution was developed using a step-scan near-infrared Fourier-transform spectrometer and was applied to analyze a redox reaction of 9,10-phenanthrenequinone (PQ) adsorbed on a polycrystalline gold electrode. In the time-resolved surface-enhanced Raman spectra, both quinone and hydroquinone forms of PQ were recognized, but the intermediate species, semiquinone radicals, were not. It was suggested that the lifetime of the intermediate species was shorter than 0.5 ms, which was the time resolution of the developed system.

    Original languageEnglish
    Pages (from-to)2713-2717
    Number of pages5
    JournalBulletin of the Chemical Society of Japan
    Volume72
    Issue number12
    DOIs
    Publication statusPublished - Dec 1999

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    Raman spectroscopy
    Infrared radiation
    Redox reactions
    Gold
    Spectrometers
    Raman scattering
    Fourier transforms
    Electrodes
    9,10-phenanthrenequinone
    hydroquinone
    semiquinone radicals
    benzoquinone

    All Science Journal Classification (ASJC) codes

    • Chemistry(all)

    Cite this

    Time-resolved near-infrared surface-enhanced Raman spectroscopy of a surface-confined electrochemical reaction of 9,10-phenanthrenequinone. / Ishioka, Toshio; Uchida, Tatsuya; Teramae, Norio.

    In: Bulletin of the Chemical Society of Japan, Vol. 72, No. 12, 12.1999, p. 2713-2717.

    Research output: Contribution to journalArticle

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