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Photocontrollable Liquid Crystalline Polymer Actuators  
Photocontrollable Liquid Crystalline Polymer Actuators
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资料大小: 91KB
所属学科: 分子表征
来源: 2013年全国高分子学术论文报告会(2013.10.12~16,上海)
简介:
By incorporating azobenzene groups into the crosslinked liquid crystal polymers (CLCPs), large deformations such as contraction and bending have been induced by UV light due to the photoisomerization of the azobenzene chromophores. Since light is an ideal stimulus for it can be localized (in time and space), selective, nondamaging, and allows for remote delivery of energy, photodeformable CLCPs present an interesting opportunity to realize soft actuators in microscope applications. Recently, we incorporated upconversion materials which absorb low-energy light and convert it to higher-energy photons in UV and visible regions, into the CLCP films and succeeded in generating fast bending of the resulting composite films upon exposure to red light and near-infrared light. It would be interesting and significant to develop photodeformable CLCPs which could be photo-regulated by such low-energy light, since it is more environment-friendly and causes less damage.
作者: Yanlei Yu
上传时间: 2013-12-19 14:43:35
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