Photo-induced photonic band gap shift of SiO2 inverse opal films infiltrated by azo-tolane copolymer

Tomomi Shirota, Masaki Moritsugu, Shoichi Kubo, Tomonari Ogata, Takamasa Nonaka, Osamu Sato, Seiji Kurihara

研究成果: ジャーナルへの寄稿学術誌査読

抄録

Photochemically tunable photonic band gap materials were prepared by the infiltration of liquid crystal polymers with azobenzene side chains and tolane side chains indicating larger birefringence into voids of SiO2 inverse opal films. Linearly polarized light irradiation resulted in transformation from random to anisotropic molecular orientation of azobenzene and tolane side chains, then the azobenzene-tolane copolymer film showed larger birefringence. Thus, the reflection band of the SiO2 inverse opal films infiltrated with the azobenzene-tolane copolymers was shifted to longer wavelength region by the irradiation of linearly polarized light.

本文言語英語
ページ(範囲)174-181
ページ数8
ジャーナルMolecular Crystals and Liquid Crystals
516
DOI
出版ステータス出版済み - 1月 2010

!!!All Science Journal Classification (ASJC) codes

  • 化学一般
  • 材料科学一般
  • 凝縮系物理学

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