Surface-mediated photoalignment of discotic liquid crystals on azobenzene polymer films

Seiichi Furumi, Masatoshi Kidowaki, Masataka Ogawa, Yosuke Nishiura, Kunihiro Ichimura

研究成果: Article査読

35 被引用数 (Scopus)

抄録

The formation of photoaligned and micropatterned discotic liquid crystal (DLC) film on the surface of photoirradiated azobenzene-containing polymer thin film was presented. The key material for the surface-mediated photoalignment of the DLCs was poly[4-(4-cyanophenylazo)phenyl methacrylate (pMAzCN). Optical anisotropy was generated in a pMAzCN film by oblique exposure to nonpolarized light which resulted in angle-selective photoisomerization and reorientation of the azobenzenes. The results show that the three-dimensionally aligned azobenzene moieties of the pMAzCN thin film were transferred to the tilted DLC molecules at air/DLC interface.

本文言語English
ページ(範囲)9245-9254
ページ数10
ジャーナルJournal of Physical Chemistry B
109
19
DOI
出版ステータスPublished - 2005 5 19
外部発表はい

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

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