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Polymers 2011, 3(3), 1447-1457;

Photomechanical Response of Composite Structures Built from Azobenzene Liquid Crystal Polymer Networks

Air Force Research Laboratory, Materials and Manufacturing Directorate, Wright Patterson Air Force Base, OH 45433, USA
Azimuth Corporation, Dayton, OH 45433, USA
Author to whom correspondence should be addressed.
Received: 1 August 2011 / Revised: 19 August 2011 / Accepted: 30 August 2011 / Published: 2 September 2011
(This article belongs to the Special Issue Liquid Crystalline Polymers)
Full-Text   |   PDF [997 KB, uploaded 2 September 2011]


Optically directed shape adaptive responses have been sought after for many decades in photoresponsive polymeric materials. A number of recent examinations have elucidated elucidated the unique opportunities of photomechanical responses realized in azobenzene-functionalized liquid crystalline polymer networks (both elastomers and glasses). This work summarizes and contrasts the photomechanical response of glassy polydomain, monodomain, and twisted nematic azo-LCN materials to blue-green irradiation. Building from this summary, the combinatorial photomechanical response observed upon irradiation of composite cantilevers is examined. Large scale shape adaptations are realized, with novel responses that may be of potential use in future employment of these materials in actuation. View Full-Text
Keywords: azobenzene; liquid crystal; photomechanical azobenzene; liquid crystal; photomechanical
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Lee, K.M.; White, T.J. Photomechanical Response of Composite Structures Built from Azobenzene Liquid Crystal Polymer Networks. Polymers 2011, 3, 1447-1457.

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