材料科学
液晶
透射率
电场
聚合物
不透明度
光学
电介质
对比度
光电子学
复合材料
物理
量子力学
作者
Huihui Wang,Han‐Yuan Gong,Ping Song,Jian Sun,Shumeng Guo,Hui Cao,Lanying Zhang,Huai Yang
标识
DOI:10.1080/02678292.2015.1049566
摘要
This article proposes a methodology to prepare polymer dispersed liquid crystal (PDLC) films working in the reverse-mode operation, where the ion-doped nematic liquid crystals (NLCs) with negative dielectric anisotropy (Δε) were locked by polymer walls. On-state and off-state of films were controlled by an electric field. In the absence of an electric field, it appears to be transparent. In the field, the homogeneous alignment NLCs form dynamic scattering, giving rise to opaque. The effect of the cylindrical holes with different diameters of photo masks and liquid crystal Δε on the electro-optical properties and transmittance wavelength range of 400–3000 nm light of samples were investigated. It was found that it exhibited very good electro-optical characteristics, high contrast ratio and excellent infrared energy-efficient of films used as switchable windows.
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