Unique luminescence properties of rare earth ion-doped polyimide nanoparticles and its mechanism

Takayuki Ishizaka, Hitoshi Kasai, Hidetoshi Oikawa, Hachiro Nakanishi

    Research output: Contribution to conferencePaperpeer-review

    Abstract

    We have observed unique luminescence properties of rare earth ion-doped PI nanoparticles in 6FDA-ODA and 6FDA-6F PI system. The absorption intensity in IR and UV spectra decreased with increases in UV-irradiation times and was decreased by a thermal treatment after the UV-irradiation treatment. On the other hand, in BPDA-PDA system, the enhancement of luminescence and the decrease in absorption intensity were not observed. Therefore, it is considered that a photolysis and a thermolysis led to the enhancement and the decrease in the luminescence intensity.

    Original languageEnglish
    Number of pages1
    Publication statusPublished - 2006 Dec 1
    Event55th Society of Polymer Science Japan Symposium on Macromolecules - Toyama, Japan
    Duration: 2006 Sep 202006 Sep 22

    Other

    Other55th Society of Polymer Science Japan Symposium on Macromolecules
    Country/TerritoryJapan
    CityToyama
    Period06/9/2006/9/22

    Keywords

    • Luminescence
    • Nanoparticle
    • Polyimide
    • Rare earth ion
    • Recording media

    ASJC Scopus subject areas

    • Engineering(all)

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