数字农科院2.0

Transformation of Ionic Liquids into Stimuli-Responsive Ionic Glass: A Supramolecular Approach

文献类型： 外文期刊

作者： Cai, Changyong;Pan, Yanjuan;Zhang, Yunfei;Li, Fenfang;Tan, Zhijian;Dong, Shengyi

作者机构：

关键词： ionic glass;stimuli-responsiveness;supramolecular polymerization;noncovalent interaction;ionic liquid

期刊名称： CCS CHEMISTRY

ISSN：

年卷期： 2024 年

页码：

收录情况： CSCD（2023-2024年度）

摘要： Although ionic liquids exhibit great diversity and design flexibility in terms of their chemical structures and physicochemical properties, they are deficient in formability and plasticity. To improve the mechanical performance of ionic liquid materials, a supramolecular approach has been developed to realize the transition from ionic liquid to rigid, self-standing ionic glass. Noncovalent interactions, including electrostatic forces and hydrogen bonds, effectively drive the copolymerization and glass formation of hydroxypropyl-beta-cyclodextrin and imidazolium ionic liquids. The molecular recognition between cyclodextrin and ionic liquids endows the ionic glass with isotropic structural characteristics, excellent optical properties, and high mechanical strength. Photochromism, gasochromism, and fluorescence emission were obtained by including suitable additives during preparation, taking advantage of the broad compatibility of the ionic glass with organic functional components.

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