Low voltage and hysteresis-free blue phase liquid crystal dispersed by ferroelectric nanoparticles

Ling Wang; Wanli He; Xia Xiao; Man Wang; Meng Wang; Pangyen Yang; Zhangjian Zhou; Huai Yang; Haifeng Yu; Yunfeng Lu

doi:10.1039/C2JM34013E

Low voltage and hysteresis-free blue phase liquid crystal dispersed by ferroelectric nanoparticles†

Ling Wang,^a Wanli He,^a Xia Xiao,^c Man Wang,^a Meng Wang,^a Pangyen Yang,^c Zhangjian Zhou,^a Huai Yang,*^ab Haifeng Yu*^b and Yunfeng Lu*^d

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* Corresponding authors

^a School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
E-mail: yanghuai@mater.ustb.edu.cn
Fax: +86-10-62333969
Tel: +86-10-62333969

^b Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, P. R. China
E-mail: yanghuai@coe.pku.edu.cn, yuhaifeng@pku.edu.cn

^c AU Optronics Trade (Shanghai) Corporation, Suzhou 215021, P. R. China

^d Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, CA 90095, USA
E-mail: luucla@ucla.edu

Abstract

Electro-optical switching with low voltage, free hysteresis and fast response speed is achieved in a facile manner by dispersing a small amount of ferroelectric nanoparticles (NPs) into blue phase liquid crystal. The large dipole moment of NPs contributes to the hysteresis-free switching, whereas the low voltage operation results from the introduction of the ferroelectric properties inherent to the NPs.

Journal of Materials Chemistry

Low voltage and hysteresis-free blue phase liquid crystal dispersed by ferroelectric nanoparticles†

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Low voltage and hysteresis-free blue phase liquid crystal dispersed by ferroelectric nanoparticles

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