Light-Orchestrated Macromolecular "Accordions": Reversible Photoinduced Shrinking of Rigid-Rod Polymers

被引：71
作者：
Bleger, David [1 ]
Liebig, Tobias [2 ]
Thiermann, Raphael [3 ]
Maskos, Michael [3 ]
Rabe, Juergen P. [2 ]
Hecht, Stefan [1 ]
机构：
[1] Humboldt Univ, Dept Chem, D-12489 Berlin, Germany
[2] Humboldt Univ, Dept Phys, D-12489 Berlin, Germany
[3] BAM Bundesanstalt Mat Forsch & Prufung, D-12205 Berlin, Germany
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2011年 / 50卷 / 52期
关键词：
aggregation; azo compounds; nanostructures; photochromism; polymers; DENDRIMERS; BACTERIORHODOPSIN; PHOTOMODULATION; ENCAPSULATION; CATALYSTS;
D O I：
10.1002/anie.201106879
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Light can play: Irradiation causes dramatic changes in the shape of rigid-rod polymers incorporating azobenzene photochromes in the main chain. The embedded photoswitches act as hinges, which upon light-induced isomerization lead to reversible shrinking and stretching of the polymer backbone (see scheme), resembling light-orchestrated macromolecular accordions. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：12559 / 12563
页数：5
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