Substance migration in the synthesis of single-atom catalysts

IF 4.3 2区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY
Xu Liu , Jiaojiao Fang , Jianping Guan , Shibin Wang , Yu Xiong , Junjie Mao
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引用次数: 0

Abstract

Substance migration is universal and crucial in the synthesis of catalysts, which directly affects their existing form and the micro-structure of their active sites. Realizing migration during the synthesis of single-atom catalysts (SACs) is beneficial for not only increasing their metal loading capacity but also manipulating the electronic structures (coordination structure, long-range interactions, etc.) of their metal sites. This review summarizes the thermodynamics and kinetic processes involved in the synthesis of SACs to unveil the fundamental principles involved in their synthesis. For a better understanding of the effect of migration, the migration of both metal (including ions, atoms, and molecules) and nonmetal species is outlined. Moreover, we propose the research directions to guide the rational design of SACs in the future and deepen the fundamental understanding in the formation of catalysts.

Abstract Image

单原子催化剂合成中的物质迁移
物质迁移在合成过程中具有普遍性和关键性,它直接影响到活性位点的存在形式和微观结构。在单原子催化(SACs)合成中实现迁移不仅可以增加金属的负载,还可以操纵金属位点的电子结构(配位结构、远程相互作用等)。本文综述了合成SAC的热力学和动力学过程,揭示了合成SAC的基本原理。为了更好地理解迁移的影响,分别概述了金属(包括离子、原子和分子)和非金属物种的迁移。此外,我们还提出了今后指导sac合理设计和深化对催化剂形成的基本认识的研究方向。
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
Chemical Communications
Chemical Communications 化学-化学综合
CiteScore
8.60
自引率
4.10%
发文量
2705
审稿时长
1.4 months
期刊介绍: ChemComm (Chemical Communications) is renowned as the fastest publisher of articles providing information on new avenues of research, drawn from all the world''s major areas of chemical research.
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