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Liquid Crystals Volume 40, 2013 - Issue 1
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Original Articles

Fast response property of low-viscosity difluorooxymethylene-bridged liquid crystals

Zenghui Peng State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, China
,
Yonggang Liu State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, ChinaCorrespondence[email protected]
,
Zhaoliang Cao State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, China
,
Quanquan Mu State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, China
,
Lishuang Yao State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, China
,
Lifa Hu State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, China
,
Chengliang Yang State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, China
,
Rina Wu School of Science, Shenyang Ligong University, Shenyang, China
&
Li Xuan State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, China
 show all
Pages 91-96 | Received 24 Aug 2012, Accepted 19 Sep 2012, Published online: 10 Oct 2012
 
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Abstract

In this study, three kinds of low-viscosity difluorooxymethylene-bridged (CF2O) liquid crystals (LCs) were synthesised. These materials exhibit low melting point and low viscosity at room temperature. The viscosity of the final LC mixture significantly decreased when LC compounds were mixed with high-birefringence (Δn) isothiocyanato LCs. The tested curves with varied temperatures of LC mixtures showed that some CF2O LC compounds could enhance the response performance of high-Δn LCs in a specific temperature range. Therefore, LC compounds with low viscosity could become a component of LC mixtures with fast response performance.

Acknowledgement

This work is supported by the National Natural Science Foundation of China (Grant Numbers 61205021, 11204299, 11174274 and 11174279).

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