Synthesis of stimuli-responsive pillararene-based supramolecular polymer materials for the detection and separation of metal ions

查看全文 作　　者：Yongfu [1]Li;Xinyue [1]Lou;Chunyu [2]Wang;Yan [1]Wang;Yu [3]Jia;Qi [3]Lin;Yingwei [1]Yang 机构地区：[1]International Joint Research Laboratory of Nano-Micro Architecture Chemistry,College of Chemistry,Jilin University,Changchun 130012,China;[2]State Key Laboratory of Supramolecular Structure and Materials,Institute of Theoretical Chemistry,Laboratory of Theoretical and Computational Chemistry,College of Chemistry,Jilin University,Changchun 130012,China;[3]Key Laboratory of Eco-Functional Polymer Materials of the Ministry of Education,Key Laboratory of Eco-Environmental Polymer Materials of Gansu Province,College of Chemistry and Chemical Engineering,Northwest Normal University,Lanzhou 730070,China 出　　处：《Chinese Chemical Letters》索引2023年第34卷第5期,共6页 基　　金：the Jilin Province University Cooperative Construction Project-Special Funds for New Materials(No.SXGJSF2017-3)for financial support。 摘　　要：A stimuli-responsive supramolecular polymer network(G-(CN)_(2)⊂BXDSP5)with aggregation-induced emission(AIE)properties has been efficiently constructed by host-guest interactions between pillar[5]arene derivative BXDSP5 and a homoditopic guest G-(CN)_(2),which shows not only excellent fluorescence properties due to the AIE effect but also desirable ion-sensing abilities in both solution and solid states,holding great potential in the applicable fluorescence detection for Fe^(3+).The resultant G-(CN)_(2)⊂BXDSP5 can be transformed into supramolecular polymer gel at high concentration via multiple noncovalent interactions,showing multi-stimuli-responsiveness in response to temperature change,mechanical force,and competitive agent.Meanwhile,the xerogel of supramolecular polymer material has been successfully used to remove Fe^(3+)from water with high adsorption efficiency.In addition,an ionresponsive film based on supramolecular polymer has also been developed,which can serve as a practical and convenient fluorescence test kit for detecting Fe^(3+). 关 键 词：Aggregation-induced emission Host-guest chemistry Sensing and separation Stimuli-responsive materials Supramolecular polymer materials