Low-voltage blue-phase liquid crystals with polyaniline-functionalized graphene nanosheets

Shuibin Ni; Hongjing Li; Shuang Li; Jiliang Zhu; Jian Tan; Xiaoyang Sun; Chao Ping Chen; Gufeng He; Dongqing Wu; Kuan-Cheng Lee; Chang-Cheng Lo; Alan Lien; Jiangang Lu; Yikai Su

doi:10.1039/C3TC32138J

Low-voltage blue-phase liquid crystals with polyaniline-functionalized graphene nanosheets

Shuibin Ni,^a Hongjing Li,^a Shuang Li,^b Jiliang Zhu,^a Jian Tan,^a Xiaoyang Sun,^a Chao Ping Chen,^a Gufeng He,^a Dongqing Wu,^b Kuan-Cheng Lee,^c Chang-Cheng Lo,^c Alan Lien,^d Jiangang Lu*^a and Yikai Su^a

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* Corresponding authors

^a National Engineering Lab for TFT-LCD Materials and Technologies, Department of Electronic Engineering, Shanghai Jiao Tong University, Dongchuan Road 800, Shanghai, China
E-mail: lujg@sjtu.edu.cn

^b School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Dongchuan Road 800, Shanghai, China

^c China Star Optoelectronics Technology Co. Ltd., Shenzhen, China

^d TCL Corporation Research, China

Abstract

A small amount of polyaniline functionalized graphene (G–PANI, 0.03–2.00%) nanosheets was doped into conventional polymer-stabilized blue phase liquid crystals (PS-BPLCs), and the electro-optical property effects were studied. The driving capability of BPLCs can be much improved in that the Kerr constant of BPLCs doped with 0.05 wt% G–PANI is increased by ∼55% compared with that of BPLCs without G–PANI. Meanwhile, this composite exhibits no degradation of electro-optical properties, such as response time, hysteresis and residual birefringence.

Journal of Materials Chemistry C

Low-voltage blue-phase liquid crystals with polyaniline-functionalized graphene nanosheets

Abstract

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Low-voltage blue-phase liquid crystals with polyaniline-functionalized graphene nanosheets

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