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Engineering the Coordination Sphere of isolated Active Sites to Explore the Intrinsic Activity in Single-Atom Catalysts

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Nano-Micro Letters 2021年第9期13卷 136-163页

作者： Xin Wu Huabin Zhang Shouwei Zuo Juncai Dong Yang Li Jian Zhang Yu Han State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350002People’s Republic of China KAUST Catalysis Center Physical Sciences and Engineering DivisionKing Abdullah University of Science and TechnologyThuwal 23955-6900Saudi Arabia Beijing Synchrotron Radiation Facility Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049People’s Republic of China Advanced Membranes and Porous Materials Center Physical Sciences and Engineering DivisionKing Abdullah University of Science and TechnologyThuwal 23955-6900Saudi Arabia

Reducing the dimensions of metallic nanoparticles to isolated,single atom has attracted considerable attention in heterogeneous catalysis,because it significantly improves atomic utilization and often leads to distinct catalytic *** extensive research,it has been recognized that the local coordination environment of single atoms has an important influence on their electronic structures and catalytic *** this review,we summarize a series of representative systems of single-atom catalysts,discussing their preparation,characterization,and structure-property relationship,with an emphasis on the correlation between the coordination spheres of isolated reactive centers and their intrinsic catalytic *** also share our perspectives on the current challenges and future research promises in the development of single-atom *** this article,we aim to highlight the possibility of finely tuning the catalytic performances by engineering the coordination spheres of single-atom sites and provide new insights into the further development for this emerging research field.

关键词： isolated atoms Coordination sphere Intrinsic activity Single-atom catalysts

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