Recent advances in single-atom catalysts (SACs) for photocatalytic applications

Tingcha Wei , Jing Zhou , Xiaoqiang An
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Abstract

Artificial photocatalysis represents a hopeful avenue for tackling the global crisis of environmental and energy sustainability. The crux of industrial application in photocatalysis lies in efficient photocatalysts that can inhibit the recombination of photogenerated charge carriers, thereby boost the efficiency of chemical reactions. In the past decade, single-atom catalysts (SACs) have been growing extremely rapidly and have become the forefront of photocatalysis owing to their superior utilization of metal atoms and outstanding catalytic activity. In this work, we provide an overview of the latest advancements and challenges in SACs for photocatalysis, focusing on the photocatalytic mechanisms, encompassing the generation, separation, migration, and surface extraction of photogenerated carriers. We also explore the design, synthesis, and characterization of SACs and introduce the progress of SACs for photocatalytic applications, such as water splitting and CO2 reduction. Lastly, we offer our personal perspectives on the opportunities and challenges of SACs in photocatalysis, aiming to provide insights into the future studies of SACs for photocatalytic applications.

Abstract Image

用于光催化应用的单原子催化剂 (SAC) 的最新进展
人工光催化是解决全球环境和能源可持续发展危机的一条充满希望的途径。光催化工业应用的关键在于高效的光催化剂,它可以抑制光生电荷载流子的重组,从而提高化学反应的效率。近十年来,单原子催化剂(SAC)发展极为迅速,由于其金属原子利用率高、催化活性突出,已成为光催化领域的前沿技术。在这项工作中,我们概述了用于光催化的单原子催化剂的最新进展和挑战,重点是光催化机理,包括光生载体的生成、分离、迁移和表面萃取。我们还探讨了 SAC 的设计、合成和表征,并介绍了 SAC 在光催化应用(如水分离和二氧化碳还原)方面的进展。最后,我们就 SACs 在光催化领域的机遇和挑战提出了个人观点,旨在为今后研究 SACs 在光催化领域的应用提供启示。
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来源期刊
材料导报:能源(英文)
材料导报:能源(英文) Renewable Energy, Sustainability and the Environment, Nanotechnology
CiteScore
13.00
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50 days
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