Synchronous Metal Rearrangement on Two-Dimensional Equatorial Surfaces of Au-Cu Alloy Nanoclusters.
basic_science · Level V
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- Record sourced from PubMed, PMID 36876873.
- Also identified by DOI 10.1021/acsnano.2c07136.
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Abstract
Understanding the growth of nanoclusters and the relationship between structure-activity depends on the precise arrangement of metals on their surface. In this work, we realized the synchronous rearrangement of metal atoms on the equatorial plane of Au-Cu alloy nanoclusters. Upon adsorption of the phosphine ligand, the Cu atoms on the equatorial plane of the Au<sub>52</sub>Cu<sub>72</sub>(SPh)<sub>55</sub> nanocluster are irreversibly rearranged. The whole metal rearrangement process can be understood from a synchronous metal rearrangement mechanism initiated by the adsorption of the phosphine ligand. Furthermore, this metal rearrangement can effectively improve the efficiency of A<sup>3</sup> coupling reactions without increasing the amount of catalyst.