光热响应金属有机框架材料的应用研究进展

Process of light/thermally responsive metal organic framework materials

光热响应金属有机框架(MOF)材料是环境功能材料的一个前沿分支.这类材料具有特殊的结构、开放的活性位点和可逆的结构转变等理化特性,引起了不少学者的兴趣.本文详细阐述光响应客体分子,如螺吡喃、偶氮苯、二芳基乙烯等光敏分子的结构异构转换机理,并介绍光响应MOF材料的应用领域;同时,详细讨论热响应客体分子聚(N-异丙基丙烯酰胺)和聚甲基丙烯酸N,N-二甲基氨基乙酯,及热响应MOF材料的应用前景.在此基础上,提出光热响应MOF材料设计开发的理论思路,并对未来光热响应MOF材料的研究方向进行展望.

Light/thermally responsive metal-organic framework(MOF)materials are one of the research frontiers of environmental functional materials.The unique physicochemical properties of special structures,open active sites,and reversible structural transition have excited research interests of many scholars.In this review,the structural isomerization conversion mechanisms of light responsive guest molecules,such as spiropyran(SP),azobenzene(AZO)and diarylethylene(DAE),were introduced in detail,and the relevant application fields were discussed.In addition,we also discussed the thermo-responsive guest molecules of PNIPAM and PDMAEMA,and the potential application of thermally responsive MOF materials.Finally,this review provided theoretical guidance for the design and development of light/thermo-responsive MOF materials,and offered prospects of their future research direction.