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http://dx.doi.org/10.7473/EC.2012.47.4.282

Photo-responsive Smart Polymer Materials  

Yu, Jong-Su (Department of Polymer Science and Engineering, Chosun University)
Lee, Seong-Yun (Department of Polymer Science and Engineering, Chosun University)
Na, Hee-Yeong (Department of Polymer Science and Engineering, Chosun University)
Ahn, Tae-Jung (Department of Photonic Engineering, Chosun University)
Kim, Hyun-Kyoung (Department of Polymer Science and Engineering, Chosun University)
Publication Information
Elastomers and Composites / v.47, no.4, 2012 , pp. 282-291 More about this Journal
Abstract
Control of shape/volume, mechanical, optical, electrical, and chemical switching of materials by external stimuli such as light, temperature, pH, electric field, and pressure has attracted great attention. Among these materials, photo-responsive materials containing photochromic compounds such as azobenzene, spiropyran, and cinnamic acid groups have been the subject of intense interest in recent years. In this review, we describe the recent progress in the area of azobenzene containing polymer materials that can convert light energy into mechanical energy directly. Especially we focus our attention on light-driven actuators such as artificial muscle, motor, and valve. We summarize the photomechanical effects in liquid crystal elastomer, amorphous polymer, monolayer, and supramolecules containing azobenzene, respectively.
Keywords
azobenzene; photo-responsive; photoisomerization; actuator; liquid crystal;
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