离子型共价有机框架材料的合成及其在环境修复应用的研究进展  

Progress in the synthesis of ionic covalent organic frameworks and their application in environmental remediation

作　　者：赵恒新 韩亚南 马欣洁 艾玥洁 ZHAO Hengxin;HAN Yanan;MA Xinjie;AI Yuejie(College of Environmental Science and Engineering,North China Electric Power University,Beijing,102206,China)

机构地区：[1]华北电力大学环境科学与工程学院,北京102206

出　　处：《环境化学》2024年第5期1518-1530,共13页Environmental Chemistry

基　　金：国家自然科学基金(22076044)资助.

摘　　要：离子型共价有机框架(ionic covalent organic frameworks,iCOFs)材料是框架内或孔道中带有电荷的共价有机框架(COF)材料.除了具有低密度、易于调节的孔道结构、比表面积大、优异的热稳定性和化学稳定性等传统优点外,其内部的离子基团作为作用位点能与电性相反的基团结合,从而在质子传导、催化、生物医学等领域展现出巨大的应用价值.尤其在环境修复领域,iCOF已被广泛应用于去除有机污染物、放射性核素和重金属等污染物.本文从iCOF的结构与合成方法出发,综述了其对环境污染物的选择性吸附,并对相互作用机理进行探究,最后对研究前景进行展望.Ionic covalent organic frameworks(iCOFs)are a kind of covalent organic framework containing ionic groups in the structural framework or microporous channels.In addition to the advantages of low density,tunable pore structure,large specific surface area,excellent thermal and chemical stability,etc.,iCOFs can be combined with opposite charged groups,so as to exhibit great applications in proton conduction,catalysis,biomedicine and other fields.Especially in the field of environmental remediation,iCOF have been widely used in the removal of organic contaminants,radionuclides and heavy metal ions.In this review,the structure,the synthesis methods and the application of iCOF in environmental pollutants have been discussed and especially,the underlying removal mechanism has been highlighted.Finally,the opportunities and challenges of iCOFs in environmental remediation were analyzed in detail to understand their future developing prospects.

关 键 词：离子型共价有机框架 材料吸附 有机污染物 放射性核素 重金属离子 

分 类 号：X-1[环境科学与工程] O6[理学—化学]