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How Does the Initial Alignment of Mesogens Affect the Photoinduced Bending Behavior of Liquid‐Crystalline Elastomers?
Author(s) -
Kondo Mizuho,
Yu Yanlei,
Ikeda Tomiki
Publication year - 2006
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200503684
Subject(s) - homeotropic alignment , azobenzene , mesogen , photopolymer , elastomer , bending , materials science , liquid crystalline , liquid crystal , homogeneous , composite material , optics , polymer , optoelectronics , polymerization , physics , thermodynamics
Light moves : Azobenzene liquid‐crystalline elastomer (LCE) films with completely different types of mesogen alignment have been prepared by in situ photopolymerization. Upon irradiation with UV light, an LCE film with homogeneous (parallel) alignment bends toward the light source, whereas an LCE film with homeotropic (normal) alignment bends away from it.