Light-Switchable Azobenzene-Containing Macromolecules: From UV to Near Infrared

被引：149
|
作者：
Weis, Philipp [1 ]
Wu, Si [1 ]
机构：
[1] Max Planck Inst Polymer Res, Ackermannweg 10, D-55128 Mainz, Germany
来源：
MACROMOLECULAR RAPID COMMUNICATIONS | 2018年 / 39卷 / 01期
关键词：
azobenzene; macromolecular machines; photoisomerization; photoswitches; stimuli-responsive polymers; HOST-GUEST INTERACTIONS; AMPHIPHILIC DIBLOCK COPOLYMERS; LIQUID-CRYSTALLINE POLYMER; SURFACE-RELIEF GRATINGS; VISIBLE-LIGHT; UP-CONVERSION; RED-LIGHT; PHOTORESPONSIVE PROPERTIES; SUBSTITUTED AZOBENZENES; NIR-LIGHT;
D O I：
10.1002/marc.201700220
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Azobenzene-containing macromolecules (azo-macromolecules) such as azobenzene-containing polymers (azopolymers) and azobenzene-functionalized biomacromolecules are photoswitchable macromolecules. Trans-to-cis photoisomerization in conventional azo-macromolecules is induced by ultraviolet (UV) light. However, UV light cannot penetrate deeply into issue and has a very small fraction in sunlight. Therefore, conventional azo-macromolecules are problematic for biomedical and solar-energy-related applications. In this Feature Article, the strategies for constructing visible and near-infrared (NIR) light-responsive azo-macromolecules are reviewed, and the potential applications of visible- and NIR-light-responsive azo-macromolecules in biomedicine and solar energy conversion are highlighted. The remaining challenges in the field of photoswitchable azo-macromolecules are discussed.
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页数：12
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