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首页> 外文期刊>Advanced Functional Materials >Photoresponsive Glass-Forming Butadiene-Based Chiral Liquid Crystals with Circularly Polarized Photoluminescence
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Photoresponsive Glass-Forming Butadiene-Based Chiral Liquid Crystals with Circularly Polarized Photoluminescence

机译：圆偏振光致发光的光响应性玻璃形成丁二烯基手性液晶

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摘要

The synthesis and study of the photo- and thermoresponsive behavior of a series of novel trimesogens consisting of a diphenylbutadiene core linked to cholesterol moieties on either side via flexible alkyl chains are reported. These molecules possess the combined glass-forming properties of bischolesterols and the photochromic and luminescent properties of the butadiene moiety. The pitch of the cholesteric phase of these materials could be continuously varied thermally and photo-chemically, making it possible to tune the color of the film over the entire visible region. The color images thus generated could be stabilized by converting them to N~* glasses. These materials were also highly photoluminescent, exhibiting circularly polarized characteristics in the glassy liquid-crystalline state even by linearly polarized excitation.
机译：合成和研究了一系列新的三聚体的光响应和热响应行为，该组合物由通过柔性烷基链连接到两侧的胆固醇部分的二苯基丁二烯核心组成。这些分子具有双胆固醇的组合的玻璃形成特性以及丁二烯部分的光致变色和发光特性。这些材料的胆甾相的间距可以在热和光化学上连续变化，从而有可能在整个可见光区域调节薄膜的颜色。这样产生的彩色图像可以通过将它们转换成N *眼镜来稳定。这些材料也是高度光致发光的，即使通过线性偏振激发，在玻璃态液晶状态下也表现出圆偏振特性。

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