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Strong Metal–Support Interaction in Heterogeneous Catalysts

机译:Strong Metal–Support Interaction in Heterogeneous Catalysts

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摘要

Strong metal–support interaction (SMSI) in supported metal catalysts,typically accompanied by the formation of encapsulation layers over metalnanoparticles, has drawn intense research attention owing to a variety ofintriguing behaviors. In particular, recent years have witnessed enormousprogress in constructing SMSI between novel components as well as inunderstanding the nature of SMSI. Notably, SMSI also provides substantialpossibilities for designing and modulating advanced heterogeneous catalyststoward a wide range of applications. Therefore, a systematic and criticaloverview is highly desirable to highlight the recent advances in SMSI and todiscuss its applications in heterogeneous catalysts. In this review, the formationprocess of SMSI is described based on the typical material systems, andthen the surface energy minimization mechanism is discussed by fully takingaccount of new material systems as well as novel construction strategies.Moreover, the principles of using SMSI to control the activity, selectivity, andstability of supported metal catalysts are demonstrated with an emphasis onthermocatalysis and electrocatalysis. To conclude, personal perspectives onthe opportunities and challenges for SMSI are provided.

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