Bending Materials with Light: Photoreversible Macroscopic Deformations in a Disordered Polymer

被引：34
|
作者：
Jin, Yuhuan [1 ]
Paris, Shadrick I. M. [1 ]
Rack, Jeffrey J. [1 ]
机构：
[1] Ohio Univ, Dept Chem & Biochem, Nanoscale & Quantum Phenomena Inst, Clippinger Labs, Athens, OH 45701 USA
来源：
ADVANCED MATERIALS | 2011年 / 23卷 / 37期
基金：
美国国家科学基金会;
关键词：
CRYSTAL NETWORK ACTUATORS; PHOTOMECHANICAL RESPONSE; RUTHENIUM; ISOMERIZATION; MOTIONS; DRIVEN; FILM;
D O I：
10.1002/adma.201102157
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
An amorphous co-polymer formed from norbornene and a photochromic ruthenium sulfoxide complex shows reversible macroscopic deformations when irradiated. Charge-transfer excitation of the sulfur-bonded isomer leads to isomerization and a macroscopic bending of the film. Charge-transfer excitation of the oxygen-bonded isomer reverses the bending. The macroscopic bending is ascribed to the molecular isomerization. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：4312 / 4317
页数：6
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