The temperature range and optical properties of the liquid crystalline blue phase in inverse opal structures

被引：0
|
作者：
Zhang Y. [1 ,2 ]
Zhao W. [1 ,2 ]
Yu Y. [1 ,2 ]
Yang Z. [1 ,2 ]
He W. [1 ,2 ]
Cao H. [1 ,2 ]
Wang D. [1 ,2 ]
机构：
[1] State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing
[2] Department of Materials Science and Engineering, University of Science and Technology Beijing, Beijing
来源：
Yang, Zhou (yangz@ustb.edu.cn) | 2018年 / Royal Society of Chemistry卷 / 06期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1039/C8TC02712A
中图分类号：
学科分类号：
摘要：
A liquid crystal device was developed by infiltrating a blue phase liquid crystal (BPLC) in three-dimensional SiO2 inverse opal (IOP) structures, of which the BP temperature range and electro-optical performance were investigated. The experimental results indicated that the pore size of IOP had a significant impact on the temperature range of the BP I phase. In particular, the IOP structure with a pore size of 1.7 μm (1.7 IOP) could extend the BP I temperature range from 5.0 °C to 11.5 °C and the device also exhibited a much lower driving voltage compared with that of the polymer-stabilized blue phase (PSBP) sample. Additionally, the electro-optical and tunable-optical properties of the as-designed device were also investigated. Our research provided a novel aspect to improve the BP properties and also presented a new strategy for tunable photonic structures based on BP liquid crystals. © The Royal Society of Chemistry.
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页码：11071 / 11077
页数：6
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