We report the fabrication of homoleptic alkynylprotected Ag 15 (CC-t Bu) 12 + (abbreviated as Ag 15 )nanocluster and its electrocatalytic properties towardC O 2 reduction reaction. Crystal structure analysis reveals that Ag 15 possesses abody-centered-cubic (BCC) structure with an Ag@Ag 8 @Ag 6 metal core configuration. Interestingly,wefound that Ag 15 can adsorb CO 2 in the air and spontaneously self-assembled into one-dimensional linear material during the crystal growth process.F urthermore,A g 15 can convert CO 2 into CO with af aradaic efficiency of ca. 95.0 %a tÀ0.6 Va nd am aximal turnover frequency of 6.37 s À1 at À1.1 Valong with excellent long-term stability.F inally,d ensity functional theory (DFT) calculations disclosed that Ag 15 (CC-t Bu) 11+ with one alkynyl ligand stripping off from the intact cluster can expose the uncoordinated Ag atom as the catalytically active site for CO formation.
Doping metal nanoclusters (NCs) with another metal usually leads to superior catalytic performance toward CO2 reduction reaction (CO2RR), yet elucidating the metal core effect is still challenging. Herein, we report...
We report the first homoleptic alkynyl-protected AgCu superatomic nanocluster of [Ag9Cu6(tBuC≡C)12]+ (NC 1, also Ag9Cu6 in short), which holds a body-centered-cubic structure with the Ag1@Ag8@Cu6 metal core. Such configuration is...
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