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Electrochemical CO reduction catalyzed by atomically precise alkynyl-protected AuAg, AgCu, and AuAgCu nanoclusters: probing the effect of multi-metal core on selectivity.

Chem Sci

August 2022

New Energy Research Institute, Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre Guangdong 510006 China

Doping metal nanoclusters (NCs) with another metal usually leads to superior catalytic performance toward CO reduction reaction (CORR), yet elucidating the metal core effect is still challenging. Herein, we report the systematic study of atomically precise alkynyl-protected AuAg, AgCu, and AuAgCu NCs toward CORR. AuAgCu prepared by a site-specific metal exchange approach from AgCu is the first case of trimetallic superatom with full-alkynyl protection.

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