Recent advance in single-atom catalysis

Zeng-Xi Wei¹，Ya-Ting Zhu²，Jin-Yuan Liu³，Zhi-Cheng Zhang²，Wen-Ping Hu²，Hui Xu³，Yue-Zhan Feng⁴，Jian-Min Ma¹

1. School of Physics and Electronics,Hunan University2. Tianjin Key Laboratory of Molecular Optoelectronic Sciences,Department of Chemistry,School of Science,Tianjin University and Collaborative Innovation Center of Chemical Science and Engineering3. School of the Environment and Safety Engineering,Institute for Energy Research,Jiangsu University4. Key Laboratory of Materials Processing and Mold,Ministry of Education,Zhengzhou University

摘 要：Single-atom catalysts（SACS） have obtained a great deal of attention in many catalytic fields due to the high atom utilization efficiency and high catalytic activity.Recently,great achievements on S ACs have been made for thermocatalysis,electrocatalysis,and photocatalysis which play an important role in obtaining value-added products.However,it remains a great challenge to fabricate S ACs with high metal loading and investigate their reaction mechanisms.Therefore,it is necessary to highlight the recent development of S ACs in these fields to guide future research.In this review,we overviewed the thermocatalysis applications of SACs in CO oxidation,preferential oxidation of CO,water-gas shift reaction,methane conversion,methanol steam reforming,aqueous-phase reforming of methanol,hydrogenation of alkynes and dienes,hydrogenation of CO,and hydrogenation of substituted nitroarenes.Moreover,the oxygen reduction reaction（ORR）,hydrogen evolution reaction（HER）,oxygen evolution reaction（OER）,CO₂ reduction reaction（CO₂ RR）,and N₂ reduction reaction（N₂ RR） for photocatalytic and electrocatalytic fields were also overviewed.Lastly,the opportunities and challenges of SACs were pointed out.

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