Liquid crystalline amorphous blue phase and its large electrooptical Kerr effect

Khoa V. Le; Satoshi Aya; Yuji Sasaki; Hyunhee Choi; Fumito Araoka; Kenji Ema; Jozef Mieczkowski; Antal Jakli; Ken Ishikawa; Hideo Takezoe

doi:10.1039/C0JM04009F

Liquid crystalline amorphous blue phase and its large electrooptical Kerr effect

Khoa V. Le,^a Satoshi Aya,^a Yuji Sasaki,^b Hyunhee Choi,^a Fumito Araoka,^a Kenji Ema,^b Jozef Mieczkowski,^c Antal Jakli,^d Ken Ishikawa^a and Hideo Takezoe*^a

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* Corresponding authors

^a Department of Organic and Polymeric Materials, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, Japan
E-mail: takezoe.h.aa@m.titech.ac.jp

^b Department of Physics, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo, Japan

^c Chemistry Department, University of Warsaw, Pasteura 1, Warsaw, Poland

^d Chemical Physics Interdisciplinary Program and Liquid Crystal Institute, Kent State University, Kent, Ohio, USA

Abstract

An amorphous blue phase III with low and wide thermal range (∼20 °C) including room temperature is induced by doping a bent-core nematic with a strong chiral material. We confirm that the electrooptical response is due to the Kerr effect, with the Kerr constant being up to two orders of magnitude larger than conventional Kerr materials such as nitrobenzene.

Journal of Materials Chemistry

Liquid crystalline amorphous blue phase and its large electrooptical Kerr effect

Abstract

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