Light-driven phase transition in a cubic-phase-forming binary system composed of 4'-n-docosyloxy-3'-nitrobiphenyl-4-carboxylic acid and an azobenzene derivative |
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| Authors: | Hori Ryo Furukawa Daisuke Yamamoto Katsuhiro Kutsumizu Shoichi |
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| Institution: | Department of Chemistry, Faculty of Engineering, Gifu University, Yanagido, Gifu 501-1193, Japan. |
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| Abstract: | Binary mixtures were prepared from an azobenzene derivative and a liquid-crystal (LC) compound that exhibits smectic?C (SmC) and bicontinuous cubic (Cub(bi)) LC phases. Reversible switching between the two phases in response to UV-light irradiation was observed. This light-driven SmC-to-Cub(bi) transition is the first example showing the increased dimensionality of molecular ordering with isomerization of azobenzenes (see figure). |
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