Synthesis and self-assembly of photoresponsive and luminescent polycatenar liquid crystals incorporating an azobenzene unit interconnecting two 1,3,4-thiadiazoles
作者:Xiongwei Peng、Hongfei Gao、Yulong Xiao、Huifang Cheng、Fanran Huang、Xiaohong Cheng
DOI:10.1039/c6nj02604d
日期:——
Novel polycatenar liquid crystals containing two 1,3,4-thiadiazole rings interconnected by an azobenzene central linkage have been synthesized and investigated by polarizing microscopy, DSC, X-ray scattering, SEM, UV-vis spectroscopy and photoluminescence measurements. These compounds can self-assemble into SmC, Colhex/p6mm and CubI/Pmn liquid crystalline phases in the bulk states and form multistimuli
通过偏光显微镜,DSC,X射线散射,SEM,UV-vis光谱和光致发光测量,合成并研究了新颖的包含两个通过偶氮苯中心键相互连接的1,3,4-噻二唑环的聚对二甲苯液晶。这些化合物可以在本体状态下自组装为SmC,Col hex / p 6 mm和Cub I / Pm n液晶相,并在有机溶剂中形成多刺激响应性有机凝胶。它们在溶液,液晶态和凝胶态下具有可逆的光响应特性。它们还显示出溶液中斯托克斯位移大的荧光发射以及对Cu 2+的结合选择性在CH 3 CN–CH 2 Cl 2溶液中的一系列阳离子中。