Unusual Reversible Photomechanical Actuation in Polymer/Nanotube Composites

An azobenzene‐containing liquid crystalline polymer/carbon nanotube composite strip was synthesized that shows rapid and reversible deformation under UV irradiation. The aligned nanotubes also provide the composite with much higher mechanical strength than pure liquid crystalline polymers and a very...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2012-08, Vol.51 (34), p.8520-8524
Main Authors: Sun, Xuemei, Wang, Wei, Qiu, Longbin, Guo, Wenhan, Yu, Yanlei, Peng, Huisheng
Format: Article
Language:English
Subjects:
Actuation
Alignment
Azo compounds
Carbon nanotubes
Composite materials
Crystal structure
Crystallinity
Deformation
Electrical conductivity
Electrical resistivity
Irradiation
Liquid crystal polymers
liquid crystalline polymers
Liquid crystals
Mechanical properties
Nanostructure
Nanotechnology
Nanotubes
photomechanical actuation
Polymer matrix composites
Polymers
Resistivity
Ultraviolet radiation
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Description
Summary:An azobenzene‐containing liquid crystalline polymer/carbon nanotube composite strip was synthesized that shows rapid and reversible deformation under UV irradiation. The aligned nanotubes also provide the composite with much higher mechanical strength than pure liquid crystalline polymers and a very high electrical conductivity.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201201975