Observation of phase separation structure and liquid crystal director in highly oriented liquid crystal / polymer composite films

Polymer structure and azimuthal distribution of liquid crystal director in a highly oriented polymer / liquid crystal composite film doped with a fluorescent monomer and a dichroic dye were observed using confocal laser-scanning microscope equipped with a polarization rotator. Although the initial s...

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Bibliographic Details
Published inProceedings of Japanese Liquid Crystal Society Annual meeting p. PA48
Main Authors Ishida, Eiichi, Okumura, Yasushi, Niiyama, Satoshi, Kikuchi, Hirotsugu
Format Journal Article
LanguageJapanese
Published THE JAPANESE LIQUID CRYSTAL SOCIETY 2019
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Summary:Polymer structure and azimuthal distribution of liquid crystal director in a highly oriented polymer / liquid crystal composite film doped with a fluorescent monomer and a dichroic dye were observed using confocal laser-scanning microscope equipped with a polarization rotator. Although the initial state of the liquid crystal director in the film was a uniform homeotropic alignment, the liquid crystal directors in each domain partitioned by the pillar-shaped polymer structures were found to be tilted in different azimuthal directions by applying electric field perpendicular to plane of the film. On the other hand, the liquid crystal directors changed as a single domain in the thickness direction under the electric field.
Bibliography:PA48
ISSN:1880-3490
2432-5988
DOI:10.11538/ekitou.2019.0_PA48