A novel thin film polarizer from photocurable non-aqueous lyotropic chromonic liquid crystal solutions

We report a novel thin film polarizer fabricated from a photocurable lyotropic chromonic liquid crystal (LCLC) solution. An organic-based photocurable solution having a lyotropic liquid crystalline phase was prepared by dissolving 25-35 wt% of basic chromonic dye in an acidic monomer (acrylic acid)...

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Bibliographic Details
Published in:Journal of materials chemistry 2011-01, Vol.21 (7), p.2074-2077
Main Authors: Bae, Yun-Ju, Yang, Hye-Jin, Shin, Seung-Han, Jeong, Kwang-Un, Lee, Myong-Hoon
Format: Article
Language:English
Subjects:
Acrylic acid
Adhesion
Dyes
Liquid crystals
Monomers
Polarizers
Surface hardness
Thin films
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Summary:We report a novel thin film polarizer fabricated from a photocurable lyotropic chromonic liquid crystal (LCLC) solution. An organic-based photocurable solution having a lyotropic liquid crystalline phase was prepared by dissolving 25-35 wt% of basic chromonic dye in an acidic monomer (acrylic acid) solution. The shear-coated film after UV irradiation exhibited the maximum polarization efficiency, P = 95.2%. Compared to the conventional aqueous-based technique, the new method provided many advantages such as outstanding coating processibility, high thermal stability, good solvent resistance, moderate surface hardness, and excellent adhesion to various substrates, especially on a plastic substrate.
ISSN:0959-9428
1364-5501
DOI:10.1039/c0jm03882b