基于铕取代多金属氧簇的手性发光液晶材料

引用本文: 袁鸿, 张静, 魏学红, 方慧敏, 袁世芳, 吴立新. 基于铕取代多金属氧簇的手性发光液晶材料[J]. 物理化学学报, 2017, 33(2): 407-412. doi: 10.3866/PKU.WHXB201611032 shu

Citation: YUAN Hong, ZHANG Jing, WEI Xue-Hong, FANG Hui-Min, YUAN Shi-Fang, WU Li-Xin. Chiral Luminescent Liquid Crystal Material Based on Europium-Substituted Polyoxometalate[J]. Acta Physico-Chimica Sinica, 2017, 33(2): 407-412. doi: 10.3866/PKU.WHXB201611032 shu

基于铕取代多金属氧簇的手性发光液晶材料

袁鸿 ^1,3, ,
张静 ^1, ,
魏学红 ^3, ,
方慧敏 ^3, ,
袁世芳 ^1, ,
吴立新 ^2,

1.
山西大学应用化学研究所, 太原 030006;
2.
吉林大学, 超分子结构与材料国家重点实验室, 长春 130012;
3.
山西大学化学化工学院, 太原 030006
基金项目:
国家重点基础研究发展规划项目（973）（2013CB834503），国家自然科学基金（21502107，21574057，21101101），山西省自然科学基金（2014021019-5），山西大学引进人才建设项目（020451801001），山西省高校科技创新项目（2016118），国家级大学生创新创业训练项目（201610108010）和山西大学大型科学仪器中心资助

摘要: 将铕取代的多金属氧簇引入手性液晶体系是构筑多功能手性发光软材料的有力工具。圆二色谱表明手性两亲分子可以通过静电相互作用诱导非手性多金属氧簇显示出超分子手性。差示扫描量热法、偏光显微镜和变温X射线衍射证实这种有机无机杂化的多金属氧簇复合物具有热致液晶性质。复合物的薄膜显示出本征发光，并且我们可以通过温度调控复合物的发光性质。用手性介晶阳离子静电包覆多金属氧簇是构筑多金属氧簇基手性发光液晶材料的有效方法。

关键词:

English

Chiral Luminescent Liquid Crystal Material Based on Europium-Substituted Polyoxometalate

1.
Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, P. R. China;
2.
State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, P. R. China;
3.
College of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, P. R. China
Received Date: 23 September 2016
Revised Date: 02 November 2016
Fund Project:
The project was supported by the National Key Basic Research Program of China (973) (2013CB834503), National Natural Science Foundation of China (21502107, 21574057, 21101101), Natural Science Foundation of Shanxi Province, China (2014021019-5), Scientific Research Start-up Funds of Shanxi University, China (020451801001), Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi Province, China (2016118), and National Training Programs of Innovation and Entrepreneurship for Undergraduates, China (201610108010) and Scientific Instrument Center of Shanxi University, China.

Abstract: The incorporation of europium-substituted polyoxometalate (PM) into chiral amphiphiles is attractive for the fabrication of multifunctional chiral luminescent liquid crystalline materials. Chiral amphiphiles acted as good promoters to trigger the achiral PM to show induced supramolecular chirality through electrostatic interactions, as illustrated by circular dichroism (CD) spectra. Differential scanning calorimetry (DSC), polarized optical microscopy (POM), and temperature-dependent X-ray diffraction (XRD) analysis confirmed that the organic/inorganic hybrid polyoxometalate complex exhibited thermotropic mesomorphic behaviors. In a cast film, the complex displayed intrinsic luminescence that could be adjusted by accurately controlling the temperature. The electrostatic encapsulation of PM with chiral mesomorphic promoters provides an effective method for constructing PM-based chiral luminescent liquid crystalline materials.

Key words:

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

基于铕取代多金属氧簇的手性发光液晶材料

English

Chiral Luminescent Liquid Crystal Material Based on Europium-Substituted Polyoxometalate

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

基于铕取代多金属氧簇的手性发光液晶材料

English

Chiral Luminescent Liquid Crystal Material Based on Europium-Substituted Polyoxometalate

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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