Preparation and characterization of M1-Nx-Cy based single atom catalysts for environmental applications |
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| Institution: | 1. College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China;2. School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA 30332, United States;3. Georgia Tech Shenzhen Institute, Tianjin University, Shenzhen 518067, China;1. PCFM, LIFM Lab, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China;2. Guangdong Provincial Key Laboratory of Optical Chemicals, Xinhuayue Group, Maoming 525000, China;3. Shenzhen Grubbs Institute, Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, China;4. Pohang Accelerator Laboratory, Postech, Pohang, Gyeongbuk, Korea;1. School of Pharmacy and Pharmaceutical Sciences & Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, NHC Key Laboratory of biotechnology drugs (Shandong Academy of Medical Sciences), Key Lab for Rare & Uncommon Diseases of Shandong Province, Ji''nan 250117, China;2. Key Lab of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China;1. Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China;2. State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China;1. National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China;2. Division of Chemistry & Biological Chemistry, School of Physical & Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore;1. Key Laboratory of Aerosol Chemistry and Physics, State Key Laboratory of Loess and Quaternary Geology (SKLLQG), Institute of Earth Environment, Chinese Academy of Sciences, Xi''an 710061, China;2. Center of Excellence in Quaternary Science and Global Change, Chinese Academy of Sciences, Xi''an 710061, China;3. University of Chinese Academy of Sciences, Beijing 100049, China;4. Department of Environmental Science and Engineering, Xi''an Jiaotong University, Xi''an 710049, China |
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| Abstract: | Single atom catalysts (SACs) have become the frontier research fields in catalysis. The M1-Nx-Cy based SACs, wherein single metal atoms (M1) are stabilized by N-doped carbonaceous materials, have provided new opportunities for catalysis due to their high reactivity, maximized atomic utilization, and high selectivity. In this review, the fabrication methods of M1-Nx-Cy based SACs via support anchoring strategy and coordination design strategy are summarized to help the readers understand the interaction mechanism of single atoms and support. Then, characterization technologies for identifying single metal atoms are presented. Besides, the environmental applications including management of harmful gases, water purification are discussed. Finally, future opportunities and challenges for preparation strategies, mechanisms and applications are concluded. We conclude this review by emphasizing the fact that M1-Nx-Cy based SACs has the potential to become an important candidate for solving current and future environmental pollution problems. |
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