Local Coordination Atom and Metal Types of Single-atom Catalysts to Regulate Catalytic Performance of C2H2 Selective Hydrogenation

Xuebai Lan,Wantong Zhao,Maohong Fan,Baojun Wang,Riguang Zhang

Chemical Engineering Science（2022）

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摘要

•Local coordination atom and metal types can tune catalytic performance of SACs.•Local coordination atoms of SACs tune electronic properties of single-atom metal.•C2H4 activity has an inverted volcano relationship with d-band center in Co SACs.•Co-N3C presents high C2H4 selectivity and activity, and better stability.•C2H4 selectivity on Co SACs enhances with the increase of coordination atom electronegativity.

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关键词

Single-atom catalysts,Coordination environment,Structural stability,C2H2 selective hydrogenation,Catalytic performance

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