Vibrational Stark effect of 9-cyanoanthracene dispersed in a poly(methyl methacrylate) film

Kenji Takashima, Yukio Furukawa

    Research output: Contribution to journalArticlepeer-review

    3 Citations (Scopus)

    Abstract

    The vibrational Stark effect (VSE) spectra of the CN stretching band of 9-cyanoanthracene dispersed in a poly(methyl methacrylate) (PMMA) film were measured under electric fields of 1.27-1.82 MV/cm at 77 K using the difference FT-IR method and a cell with a BaF<inf>2</inf>/Al/9-cyanoanthracene (10 mol%):PMMA/Al structure. The changes in the electric dipole moment between the ground and the first excited states of the CN stretching mode were 0.0299 ± 0.0003 D/f, where f is a local field correction factor. This novel polymer matrix method will be useful for measuring the VSE of low molecular weight compounds.

    Original languageEnglish
    Pages (from-to)252-255
    Number of pages4
    JournalChemical Physics Letters
    Volume633
    DOIs
    Publication statusPublished - 2015 Jun 20

    ASJC Scopus subject areas

    • Physical and Theoretical Chemistry
    • Physics and Astronomy(all)

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