期刊
EUROPEAN POLYMER JOURNAL
卷 45, 期 9, 页码 2564-2571出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eurpolymj.2009.05.010
关键词
Azopolymers; Supramolecular chirality; Aggregates; Liquid crystal polymers
资金
- Spanish MEC/MICINN [MAT2005-06373-C02-01, MAT2008-06522-C02-01]
- FEDER founding (EU)
The absorption spectra and circular dichroism responses upon irradiation with 488 nm circularly polarized light (CPL) have been studied on polymeric films processed from two nematic copolymers containing azobenzene chromophores. Influence of the aggregation and orientation of azobenzenes on the photoinduced chiroptical properties has been analyzed. Moreover, polymeric films and 4 mu m planar cells filled with the copolymers were studied by polarized optical microscopy (POM) with the aim of investigating the change of macroscopic optical properties and textures of azopolymers upon irradiation with CPL (C) 2009 Elsevier Ltd. All rights reserved.
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