Photoalignment of Liquid Crystalline Polymer Films Containing Mesostructures and a Free Surface Command Layer

Takahiro SekiDepartment of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Nagoya, JapanCorrespondence[email protected] [email protected]

Kei FukuharaDepartment of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Nagoya, Japan

Masami SanoDepartment of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Nagoya, Japan

Mitsuo HaraDepartment of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Nagoya, Japan

Shusaku NaganoNagoya University Venture Business Laboratory, Nagoya University, Nagoya, JapanCorrespondence[email protected] [email protected]

Abstract

Investigations on the photoaglinment processes of liquid crystalline materials started around 25 years ago, and currently great developments have been made in both academic and industrial areas. However, there remain many issues to be explored in this field. This short review introduces our recent advances regarding the photoalignment and realignment process using azobenzene-containing liquid crystalline polymer materials. Two topics are involved here: the photoalignment of microphase separation structures of block copolymer films, and photoalignment controls from the free surface of a liquid crystalline polymer film.

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Photoalignment of Liquid Crystalline Polymer Films Containing Mesostructures and a Free Surface Command Layer

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Photoalignment of Liquid Crystalline Polymer Films Containing Mesostructures and a Free Surface Command Layer

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