Alkylamide-substituted tetraphenylethylene: Three modes of fluorescence based on a hydrogen-bonded excimer

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    Abstract

    Three modes of emission, with different intensities and wavelengths were observed in tetraphenylethylenetetraamide 1 depending on the solvent, concentration and continuous irradiation with light, where intermolecular hydrogen bonds between amide units played a significant role. Limitation of the motility of molecule 1 in the excited state by intermolecular hydrogen bonding is the key for observation of fluorescence even in the solution and transformation to the corresponding 9,10-diphenylphenanthrene derivative.

    Original languageEnglish
    Pages (from-to)8922-8926
    Number of pages5
    JournalOrganic and Biomolecular Chemistry
    Volume14
    Issue number38
    DOIs
    Publication statusPublished - 2016

    ASJC Scopus subject areas

    • Biochemistry
    • Physical and Theoretical Chemistry
    • Organic Chemistry

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