Bistable Smart Window Based on Ionic Liquid Doped Cholesteric Liquid Crystal

被引：43
|
作者：
Lan, Zhaojue [1 ]
Li, Yong [1 ]
Dai, Haitao [2 ]
Luo, Dan [1 ]
机构：
[1] Southern Univ Sci & Technol, Dept Elect & Elect Engn, Shenzhen 518055, Peoples R China
[2] Tianjin Univ, Sch Sci, Tianjin Key Lab Low Dimens Mat Phys & Preparing, Tianjin 300072, Peoples R China
来源：
IEEE PHOTONICS JOURNAL | 2017年 / 9卷 / 01期
基金：
美国国家科学基金会;
关键词：
Photonic materials; optical properties of photonic materials; photonic bandgap structures;
D O I：
10.1109/JPHOT.2017.2653862
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We develop a bistable smart window based on mixture of negative dielectric nematic liquid crystal, chiral dopant, and chiral ionic liquid (CIL). The developed smart window is driven by dual-frequency modulation, where the transparent state is turned ON under an electric field with high frequency (4 kHz), and the scattering state is switched ON by an electric field with low frequency (20 Hz). The dual-frequency characteristics of the proposed smart window have been extensively investigated. This smart window has intrinsic features including dual-frequency modulation, simple fabrication process, and excellent stability. This smart window is capable of practical use in modern life as a building wall, sunroof, and curtain-free window.
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页数：7
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