Research Article


2020, 13(12): 3165–3182


Single-atom site catalysts for environmental catalysis

Ningqiang Zhang1, Chenliang Ye1, Han Yan1, Lingcong Li3 (✉), Hong He2, Dingsheng Wang1 (✉), and Yadong Li1

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1 Department of Chemistry, Tsinghua University, Beijing 100084, China
2 Key Laboratory of Beijing on Regional Air Pollution Control and Beijing Key Laboratory for Green Catalysis and Separation, Beijing University of Technology, Beijing 100124, China
3 Institute for Catalysis, Hokkaido University, Sapporo, Hokkaido 001-0021, Japan

Keywords: single-atom site catalysts, environmental catalysis, volatile organic compounds, CO catalytic oxidation, NO selective reduction, hydrocarbon oxidation
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  • Abstract
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In recent decades, the environmental protection and long-term sustainability have become the focus of attention due to the increasing pollution generated by the intense industrialization. To overcome these issues, environmental catalysis has increasingly been used to solve the negative impact of pollutants emission on the global environment and human health. Supported platinum-metal-group (PGM) materials are commonly utilized as the state-of-the-art catalysts to eliminate gaseous pollutants but large quantities of PGMs are required. By comparison, single-atom site catalysts (SACs) have attracted much attention in catalysis owing to their 100% atom efficiency and unique catalytic performances towards various reactions. Over the past decade, we have witnessed burgeoning interests of SACs in heterogeneous catalysis. However, to the best of our knowledge, the systematic summary and analysis of SACs in catalytic elimination of environmental pollutants has not yet been reported. In this paper, we summarize and discuss the environmental catalysis applications of SACs. Particular focus was paid to automotive and stationary emission control, including model reaction (CO oxidation, NO reduction and hydrocarbon oxidation), overall reaction (three-way catalytic and diesel oxidation reaction), elimination of volatile organic compounds (formaldehyde, benzene, and toluene), and removal/decomposition of other pollutants (Hg0 and SO3). Perspectives related to further challenges, directions and design strategies of single-atom site catalysts in environmental catalysis were also provided.
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Single-atom site catalysts for environmental catalysis. Nano Res. 2020, 13(12): 3165–3182

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