Abstract
Multilayered Langmuir-Blodgett (LB) films were prepared from the monolayers of an ionic liquid crystalline azo-polymer (IP-4) and a nonionic liquid crystalline azo-polymer (NP-4). The multilayer structures in the LB films were completely disturbed by UV light irradiation. However, the periodic layer orderings in the LB films were rebuilt upon a subsequent visible light irradiation. Although NP-4 exhibits a nematic phase in the bulk state at room temperature, the consequent double layered structure with a homeotropic alignment in the LB film of NP-4 was very similar to the smectic layered structures of IP-4.
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