Time-resolved fluorescence analysis for dye-labeled polystyrene in thin films

    研究成果: Contribution to journalArticle査読

    11 被引用数 (Scopus)

    抄録

    Time-resolved fluorescence spectroscopy and anisotropy were applied to dye-labeled polystyrene in thin films. Both fluorescence lifetime and rotational relaxation time decreased with decreasing thickness once the film became thinner than approximately 100 nm. The results could be well reproduced by a tri-layer model composed of surface, interface and bulk regions. The model analysis clearly indicates that the chain dynamics in the surface and substrate interfacial regions is, respectively, faster and slower than that in the internal bulk phase.

    本文言語英語
    ページ(範囲)284-287
    ページ数4
    ジャーナルJournal of Non-Crystalline Solids
    407
    DOI
    出版ステータス出版済み - 1 1 2015

    All Science Journal Classification (ASJC) codes

    • 電子材料、光学材料、および磁性材料
    • セラミックおよび複合材料
    • 凝縮系物理学
    • 材料化学

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