Reversible photo-controlled mass transfer in a photo-responsive conjugated main-chain polymer film for high contrast surface patterning

Literature Information

Publication Date 2013-07-05
DOI 10.1039/C3PY00770G
Impact Factor 5.582
Authors

Ruiyang Zhao, Xuepeng Zhan, Jia Yao, Guannan Sun, Qidai Chen, Zengqi Xie, Yuguang Ma


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Abstract

A π-conjugated polymer containing an azobenzene segment in its backbone is found to be highly photo-responsive. As the polymer film is irradiated with an interfering laser beam, the trans-to cis- photo-isomerization in the polymer chain induces a great change to the chain configuration from a rigid-rod to an irregular coil, and a corresponding great local stress, which drives the chain transfer to form high contrast surface patterning.

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