A clusteroluminescent supramolecular polymer network constructed by pillararene and its application in information encryption

作     者：Meiru Zhang Yujie Cheng Ting Zhang Bicong Liang Xuehong Wei Pi Wang Danyu Xia Xuzhou Yan 

作者机构：Scientific Instrument CenterShanxi UniversityTaiyuanP.R.China College of Materials Science and EngineeringTaiyuan University of TechnologyTaiyuanP.R.China School of Chemistry and Chemical EngineeringFrontiers Science Center for Transformative MoleculesShanghai Jiao Tong UniversityShanghaiP.R.China 

出 版 物：《Aggregate》 (聚集体（英文）)

年 卷 期：2024年第5卷第5期

页      面：491-500页

核心收录：

学科分类：081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 070305[理学-高分子化学与物理] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0703[理学-化学] 

基　　金：National Natural Science Foundation for Young Scientists of China,Grant/Award Number:21901149 General Program of Natural Science Foundation of Shanxi Province,China,Grant/Award Numbers:202103021224072,202303021211005 

主　　题：clusterization-triggered emission host-guest interactions pillararene supramolecular polymers 

摘      要：Clusterization-triggered emissive(CTE)materials have attracted great attention in recent *** regulation of the emission property of materials with CTE property through supramolecular interactions is an excellent strategy for the construction of smartfluorescent *** this work,we have pre-pared a regulatable supramolecular polymer network with CTE properties through pillararene-based host-guest *** pillar[5]arene-grafted poly(methyl methacrylate)(PMMA)showed a classic CTE *** adding Brooker’s merocyanine-grafted polymer to the solution of the pillar[5]arene-containing PMMA,the supramolecular polymer network gel formed by the host-guest inter-actions between pillararene and Brooker’s merocyanine *** supramolecular network showed brighterfluorescence than the pillar[5]arene-grafted PMMA in the solid *** addition,thefluorescence emission of the supramolecular network can be further regulated by pH *** adding an acid,the Brooker’s merocyanine-containing guest polymer was protonated,and the supramolecular net-work changed to a protonated network through host-guest interactions between protonated Brooker’s merocyanine guest and ***,thefluores-cence was quenched when the supramolecular network turned into the protonated *** adding a base,the protonated network can convert back to the origi-nal network,along with recovery of thefl***,the regulation of thefluorescence of the supramolecular polymer materials with CTE was successfully realized by pillararene-based host-guest ***,this tailorablefluorescent supramolecular polymer network system was applied as an information encryption material.