Highly stableβ‑ketoenamine‑based covalent organic frameworks(COFs):synthesis and optoelectrical applications

查看全文 作　　者：Yaqin [1,2]Li;Maosong [1]Liu;Jinjun [2]Wu;Junbo [1,2]Li;Xianglin [1]Yu;Qichun [3,4]Zhang

机构地区：[1]Key Laboratory for Green Chemical Process of Ministry of Education,School of Chemical Engineering and Pharmacy,Wuhan Institute of Technology,Wuhan 430074,China;[2]School of Chemistry and Environmental Engineering,Wuhan Institute of Technology,Wuhan 430074,China;[3]Department of Materials Science and Engineering,City University of Hongkong,Hong Kong SAR 999077,China;[4]Center of Super-Diamond and Advanced Films(COSDAF),City University of Hongkong,Hong Kong SAR 999077,China

出　　处：《Frontiers of Optoelectronics》索引2022年第15卷第3期,共42页

基　　金：supported by the Open Fund of Beijing National Laboratory for Molecular Sciences(No.BNLMS201842);The Open Fund of the State Key Laboratory of Advanced Technology for Materials Synthesis and Processing(Wuhan University of Technology)(No.2020-KF-17);Postgraduate Innovation Foundation from Wuhan Institute of Technology;support from starting funds from City University of Hongkong and 111 Project(No.D20015). 摘　　要：Covalent organic frameworks(COFs)are one class of porous materials with permanent porosity and regular channels,and have a covalent bond structure.Due to their interesting characteristics,COFs have exhibited diverse potential applications in many felds.However,some applications require the frameworks to possess high structural stability,excellent crystallinity,and suitable pore size.COFs based onβ-ketoenamine and imines are prepared through the irreversible enol-to-keto tautomerization.These materials have high crystallinity and exhibit high stability in boiling water,with strong resistance to acids and bases,resulting in various possible applications.In this review,we frst summarize the preparation methods for COFs based onβ-ketoenamine,in the form of powders,flms and foams.Then,the efects of diferent synthetic methods on the crystallinity and pore structure of COFs based onβ-ketoenamine are analyzed and compared.The relationship between structures and diferent applications including fuorescence sensors,energy storage,photocatalysis,electrocatalysis,batteries and proton conduction are carefully summarized.Finally,the potential applications,large-scale industrial preparation and challenges in the future are presented. 关键词：Covalent organic frameworks β-ketoenamine SENSORS Energy storage BATTERIES PHOTOCATALYSIS

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Highly stableβ‑ketoenamine‑based covalent organic frameworks(COFs):synthesis and optoelectrical applications

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