Seki Takahiro
Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya, 464-8603, Japan.
Macromol Rapid Commun. 2014 Feb;35(3):271-90. doi: 10.1002/marc.201300763. Epub 2013 Dec 17.
Photoresponsive azobenzene-containing systems ranging from molecular to macroscopic material levels have greatly been increasing their significance in materials chemistry. This review focuses on the studies on light induced or triggered motions in azobenzene liquid crystalline (LC) polymer films at mesoscopic and microscopic levels. Due to the cooperative nature of liquid crystalline materials, highly efficient photoalignment and photo-triggered migrating motions are realized in mostly repeated manners. Here, recent advances in surface-grafted LC polymer brushes, LC block copolymer films, and LC polymer films that exhibit mass migrations are overviewed. Such newly emerged photoresponsive systems are expected to provide new possibilities and applications in polymer thin film technologies.
从分子到宏观材料层面的含光响应性偶氮苯体系在材料化学中的重要性一直在大幅提升。本综述聚焦于介观和微观层面偶氮苯液晶（LC）聚合物薄膜中光诱导或触发的运动研究。由于液晶材料的协同性质，高效的光取向和光触发迁移运动大多以重复的方式得以实现。在此，对表面接枝的LC聚合物刷、LC嵌段共聚物薄膜以及呈现质量迁移的LC聚合物薄膜的近期进展进行了综述。这类新出现的光响应体系有望在聚合物薄膜技术中提供新的可能性和应用。
