Plasmon-enhanced photopolymerization of SU-8 on rough gold surfaces

Takahiro Yokoyama, Akito Masuhara, Tsunenobu Onodera, Hitoshi Kasai, Hidetoshi Oikawa

    Research output: Contribution to journalArticlepeer-review

    9 Citations (Scopus)

    Abstract

    Photopolymerization of SU-8 was performed on gold films over microspheres (AuFOMs) that can provide plasmon-enhanced fields on their surfaces. Strong dependence of the photopolymerization reactivity on the surface roughness of AuFOMs was observed; the photopolymerization was enhanced significantly on rough gold surfaces rather than flat surfaces. The results also suggested that photoexcitation of the photoinitiator via a multiphoton process was induced on AuFOM surfaces even with an incoherent light source.

    Original languageEnglish
    Pages (from-to)19596-19599
    Number of pages4
    JournalJournal of Physical Chemistry C
    Volume114
    Issue number46
    DOIs
    Publication statusPublished - 2010 Nov 25

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Energy(all)
    • Physical and Theoretical Chemistry
    • Surfaces, Coatings and Films

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