主体-客体超分子冠醚包合物中存在介电和非线性光学开关的不寻常高温可逆相转变。
Unusual high-temperature reversible phase transition containing dielectric and nonlinear optical switches in host-guest supramolecular crown ether clathrates.
机构信息
Ordered Matter Science Research Center, Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, P. R. China.
出版信息
Chem Commun (Camb). 2018 Jul 17;54(58):8076-8079. doi: 10.1039/c8cc03885f.
PMID:29971275
Abstract
A novel high-temperature dielectric and quadratic nonlinear optical switching material, 3,4-difluoroanilinium 18-crown-6 perchlorate, was synthesized. It exhibits two successive structural phase transitions at 347 K and 240 K, respectively. Gradually increased SHG-active characteristics are also identified.
摘要
合成了一种新型的高温介电和二次非线性光学开关材料，3,4-二氟苯胺 18-冠-6 高氯酸盐。它在 347 K 和 240 K 时分别表现出两个连续的结构相变。还确定了逐渐增加的 SHG 活性特征。
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