Decreasing the operating voltage of a polymer-stabilized blue phase based on intermolecular affinity

Daisuke Yoshizawa, Yasushi Okumura, Jun Yamamoto, Hirotsugu Kikuchi

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

抄録

Abstract: This study demonstrates a novel material design strategy to decrease the operating voltage of the polymer-stabilized blue phase (PSBP) based on intermolecular affinity between the chiral dopant and the polymer nanonetworks in the PSBP. We focus on the weak anchoring interface, the so-called “slippery interface”, at which a disordered liquid crystal or isotropic liquid layer is formed between the liquid crystal and polymer. To introduce such a slippery interface inside the PSBP, an isosorbide-based polar chiral dopant is synthesized, and this dopant is expected to show high affinity to polymers with polar substituents. The operating voltage of the PSBP with the polar chiral dopant is considerably decreased with an increasing ratio of polar substituents on the polymer, in striking contrast with the trend observed for the PSBP containing the conventional chiral dopant. Furthermore, the PSBP displays a large electro-optical Kerr constant for the PSBP containing the polar chiral dopant and polymer with the polar substituent. The experimental results suggest that the synthesized chiral dopant with a polar component acts as a chirality inducer for the BP and as a slippery interface inducer via polar-polar interaction with the polymer inside the PSBP.

元の言語英語
ページ(範囲)667-673
ページ数7
ジャーナルPolymer Journal
51
発行部数7
DOI
出版物ステータス出版済み - 7 1 2019

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Polymers
Electric potential
Doping (additives)
Liquid crystals
Isosorbide
Liquid Crystals
Chirality
Liquids

All Science Journal Classification (ASJC) codes

  • Polymers and Plastics
  • Materials Chemistry

これを引用

Decreasing the operating voltage of a polymer-stabilized blue phase based on intermolecular affinity. / Yoshizawa, Daisuke; Okumura, Yasushi; Yamamoto, Jun; Kikuchi, Hirotsugu.

:: Polymer Journal, 巻 51, 番号 7, 01.07.2019, p. 667-673.

研究成果: ジャーナルへの寄稿記事

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N2 - Abstract: This study demonstrates a novel material design strategy to decrease the operating voltage of the polymer-stabilized blue phase (PSBP) based on intermolecular affinity between the chiral dopant and the polymer nanonetworks in the PSBP. We focus on the weak anchoring interface, the so-called “slippery interface”, at which a disordered liquid crystal or isotropic liquid layer is formed between the liquid crystal and polymer. To introduce such a slippery interface inside the PSBP, an isosorbide-based polar chiral dopant is synthesized, and this dopant is expected to show high affinity to polymers with polar substituents. The operating voltage of the PSBP with the polar chiral dopant is considerably decreased with an increasing ratio of polar substituents on the polymer, in striking contrast with the trend observed for the PSBP containing the conventional chiral dopant. Furthermore, the PSBP displays a large electro-optical Kerr constant for the PSBP containing the polar chiral dopant and polymer with the polar substituent. The experimental results suggest that the synthesized chiral dopant with a polar component acts as a chirality inducer for the BP and as a slippery interface inducer via polar-polar interaction with the polymer inside the PSBP.

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