Development of novel azobenzene derivatives showing a room temperature liquid-crystalline phase and their photoresponsive behavior

Kunihiko Okano, Yasuyuki Mikami, Yuji Shibata, Takashi Yamashita

研究成果: Article査読

5 被引用数 (Scopus)

抄録

Novel azotolane derivatives containing various structures of alkyl chains have been synthesized via palladium-catalyzed cross coupling reactions as the key step. The thermotoropic liquid crystalline behavior of these compounds was investigated by polarizing optical microscopy, differential scanning calorimeter, and X-ray scattering, and the influences of the structure and position of the lateral alkyl chain on the mesomorphic properties were studied. Depending on the size or the structure of alkyl chains, different liquid crystalline phases were detected. Furthermore, we found that all compounds show trans-cis photoisomerization behavior upon irradiation of ultraviolet light, as well as a conventional azobenzene moiety.

本文言語English
ページ(範囲)549-552
ページ数4
ジャーナルJournal of Photopolymer Science and Technology
21
4
DOI
出版ステータスPublished - 2008
外部発表はい

ASJC Scopus subject areas

  • ポリマーおよびプラスチック
  • 有機化学
  • 材料化学

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