Engineering of catalytically active sites in photoactive metal–organic frameworks

IF 20.3 1区 化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR
Pietro Rassu, Xiaojie Ma, Bo Wang
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引用次数: 0

Abstract

Metal-organic frameworks (MOFs) are hybrid and porous materials with ample opportunities for photocatalytic applications. Their structural components are suitable for precisely engineering photoactive elements of various kinds and analysing energetic processes at different scales; furthermore, their large surface area can be decorated with non-structural elements to adjust the parental properties as needed. In this regard, various organic and inorganic catalytic elements have been successfully modulated in localized sites of photoactive MOFs. In spite of the obvious attractiveness, the functionalization of MOFs with effective and localized catalytically active components can only be achieved under controlled conditions and with the respect of precise assumptions. Accordingly, we want to provide a series of guidelines based on theoretical and experimentally proven concepts concerning the engineering of catalytically active sites located in the distinctive MOF components. Apart from discussing the general concepts and the instrumental role of photocatalytic elements in advanced materials, notes are prepared on the synthesis and characterization procedures involved in the intercalation of localized catalytic sites (CSs) within the MOF lattice. Special emphasis is given to the methods employed to immobilize these CSs in the distinctive structural components of MOF while favouring structural retention of the latter. At the same time, a distinction is made for the multifarious catalytic elements according to their chemical classification; to this end, special mention is made of the instrumental techniques used to describe their structural composition. Photogenerated charge transfer mechanisms are illustrated on the basis of the procedures chosen by the authors. In conclusion, this review will comprehensively examine illustrative photocatalytic reactions and performance of photoactive MOFs with CSs located at distinctive structural sites.

光活性金属-有机框架中催化活性位点的工程研究
金属有机骨架(MOFs)是一种混合多孔材料,具有广泛的光催化应用前景。它们的结构成分适用于各种光活性元素的精密工程和不同尺度的能量过程分析;此外,它们的大表面积可以用非结构元素装饰,以根据需要调整父母的属性。在这方面,各种有机和无机催化元素已经成功地在光活性mof的局部位置进行了调制。尽管具有明显的吸引力,但具有有效和局部催化活性成分的mof的功能化只能在受控条件和精确假设的情况下实现。因此,我们希望根据理论和实验证明的概念,提供一系列关于位于不同MOF组分中催化活性位点工程的指导方针。除了讨论光催化元素在先进材料中的一般概念和工具作用外,还对MOF晶格内嵌入局部催化位点(CSs)的合成和表征过程进行了说明。特别强调的是所采用的方法来固定这些CSs在MOF的独特结构组件,而有利于后者的结构保留。同时,根据各种催化元素的化学分类,对其进行了区分;为此,特别提到了用于描述其结构组成的仪器技术。根据作者选择的程序,说明了光生电荷转移机制。综上所述,本文将全面研究具有不同结构位点的CSs光活性mof的光催化反应和性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Coordination Chemistry Reviews
Coordination Chemistry Reviews 化学-无机化学与核化学
CiteScore
34.30
自引率
5.30%
发文量
457
审稿时长
54 days
期刊介绍: Coordination Chemistry Reviews offers rapid publication of review articles on current and significant topics in coordination chemistry, encompassing organometallic, supramolecular, theoretical, and bioinorganic chemistry. It also covers catalysis, materials chemistry, and metal-organic frameworks from a coordination chemistry perspective. Reviews summarize recent developments or discuss specific techniques, welcoming contributions from both established and emerging researchers. The journal releases special issues on timely subjects, including those featuring contributions from specific regions or conferences. Occasional full-length book articles are also featured. Additionally, special volumes cover annual reviews of main group chemistry, transition metal group chemistry, and organometallic chemistry. These comprehensive reviews are vital resources for those engaged in coordination chemistry, further establishing Coordination Chemistry Reviews as a hub for insightful surveys in inorganic and physical inorganic chemistry.
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