Recent Advances in the Engineering of Single-Atom Catalysts Through Metal–Organic Frameworks

IF 7.1 2区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Qi Xue, Zixuan Zhang, Bryan K. Y. Ng, Pu Zhao, Benedict T. W. Lo
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引用次数: 8

Abstract

This mini-review highlights some recent progress in the engineering of single-atom catalysts (SACs) through metal–organic frameworks (MOFs) and derivatives. The inherent molecular and chemical specificities within the MOFs and derivatives can offer stabilisation of the SACs with high atomic isolation and dispersion. As MOFs are often considered an infinite array of self-assembled molecular catalysts, specifically designed structures can provide further functionalities to suit the needs of different catalytic applications. In brief, we can divide the preparation approaches into three main categories: (1) fabrication onto functional groups of the ligands, (2) fabrication onto Lewis acid sites of nodal centres, and (3) synthesis via a pyrolysis-mediated technique. Through these approaches, strong metal–support interactions can be established to aid the fine-tuning of the catalytic properties. We also discuss how recent progress in the development of state-of-the-art microscopic, spectroscopic, and crystallographic techniques has enabled scientists to elucidate the structure–activity relationship.

Abstract Image

金属-有机骨架单原子催化剂工程研究进展
本文综述了近年来利用金属-有机骨架及其衍生物制备单原子催化剂的研究进展。mof及其衍生物固有的分子和化学特性可以为sac提供高原子隔离和分散的稳定性。由于mof通常被认为是一种自组装分子催化剂的无限阵列,专门设计的结构可以提供进一步的功能,以满足不同催化应用的需要。简而言之,我们可以将制备方法分为三大类:(1)在配体官能团上制备,(2)在节点中心的路易斯酸位点上制备,(3)通过热解介导技术合成。通过这些方法,可以建立强金属支撑相互作用,以帮助微调催化性能。我们还讨论了最新的显微镜、光谱学和晶体学技术的发展如何使科学家能够阐明结构-活性关系。
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
Topics in Current Chemistry
Topics in Current Chemistry Chemistry-General Chemistry
CiteScore
13.70
自引率
1.20%
发文量
48
期刊介绍: Topics in Current Chemistry is a journal that presents critical reviews of present and future trends in modern chemical research. It covers all areas of chemical science, including interactions with related disciplines like biology, medicine, physics, and materials science. The articles in this journal are organized into thematic collections, offering a comprehensive perspective on emerging research to non-specialist readers in academia or industry. Each review article focuses on one aspect of the topic and provides a critical survey, placing it in the context of the collection. Selected examples highlight significant developments from the past 5 to 10 years. Instead of providing an exhaustive summary or extensive data, the articles concentrate on methodological thinking. This approach allows non-specialist readers to understand the information fully and presents the potential prospects for future developments.
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