✦ LIBER ✦
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.