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Ligand-Controlled Engineering of Cu–H Active Sites on Cu25 Hydride Nanoclusters for Efficient CO2 Electroreduction
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DOI：10.1039/D6NR01258B.png)
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Abstract
En 中文
Atomic-level control of catalytic selectivity is critical to nanocatalyst design. Here; we report two structurally defined Cu hydride nanoclusters; [Cu25H22(p-FPh3P)12]+ and [Cu25H10(2; 4-F2PhS)18]3−; with distinct hydride contents that govern active-site exposure and CO2 electroreduction selectivity. Phosphine ligand dissociation in Cu25H22-P exposed Cu–H sites and favored C2H4 formation; whereas intrinsically exposed Cu–S sites in Cu25H10-S promoted CH4 production. These findings establish hydride ligands as key regulators of active-site structure and product selectivity in Cu nanoclusters.
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5.1
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3.0W
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11.6W
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