Preparation of Dye-Polymer Composite Films by Deposition Polymerization

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  • Usui Hiroaki
    Department of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture and Technology
  • Ishibashi Shigeo
    Department of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture and Technology
  • Kawakami Akira
    Department of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture and Technology
  • Kawamata Ikuko
    Department of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture and Technology
  • Tanaka Kuniaki
    Department of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture and Technology
  • Sone Hiroyuki
    Research Institute Printing Bureau, Ministry of Finance

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Abstract

Dye-doped polymer composite thin films were prepared by physical vapor deposition. The host matrix was polymerized by evaporating n-octadecylacrylate monomer using electron-assisted deposition polymerization method. The guest dye, tris-(8-hydroxyquinoline) aluminum, was introduced into the host matrix by simple coevaporation. The chemical composition can be easily adjusted by controlling the deposition rate of host and guest materials. Thermal stability of the composite films was studied by means of electron microscopy and surface plasmon resonance measurement. It was suggested that the glass transition temperature of the composite film varies with the composition, and the composite films have higher thermal stability compared to the monolithic film of guest dye.

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