Proceedings of Japanese Liquid Crystal Society Annual meeting
Online ISSN : 2432-5988
Print ISSN : 1880-3490
ISSN-L : 1880-3490
2012 Japanese Liquid Crystal Conference
Session ID : PB46
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PB46 Shape effects of an oligomer on stabilizing blue phases
*Shinya KashimaAtsushi Yoshizawa
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract

We prepared a host nematic liquid crystal consisting of a practical nematic liquid crystal mixture E7 and a small amount of a designed phenylpyrimidine oligomer. The oligomers under investigation were linear and U-shaped dimers, and T-shaped and λ-shaped trimers. We investigated phase transition behavior of each host liquid crystal doped with a chiral dopant possessing high helical twisting power. All the mixtures showed a phase sequence of isotropic liquid-bulue phase III-chiral nematic. Particullarly both trimers were found to show the marked effect on widening the BPIII temperature range.

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© 2012 Japanese Liquid Crystal Society
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