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Light-Induced Reorganization in Self-Assembled Liquid Crystal Gels: Electrically Switchable Diffraction Gratings

✍ Scribed by Y. Zhao; X. Tong


Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
252 KB
Volume
15
Category
Article
ISSN
0935-9648

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✦ Synopsis


Electrically switchable diffraction gratings can be formed in the self‐assembled cholesteric liquid crystal gels prepared using an azobenzene‐containing gelator. The grating formation (see Figure) results from a light‐induced reorganization process in these materials, which leads to the removal of the nanometer‐sized fibrous aggregates of the gelator from the irradiated area to the non‐irradiated area.