Photosynthesis of Au<sub>8</sub>Cu<sub>6</sub> nanocluster for photocatalysis in oxidative functionalization of alkynes.
basic_science · Level V
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- Record sourced from PubMed, PMID 39511201.
- Also identified by DOI 10.1038/s41467-024-54030-6 and PMC identifier 11543986.
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Abstract
Ligand-protected metal nanoclusters provide an ideal platform for investigating photoredox catalysis. The central challenge is balancing their stability and catalytic activity. Here we show a photochemical reduction-oxidation cascade method for synthesizing an Au<sub>8</sub>Cu<sub>6</sub> nanocluster, which features a robust structure and active surface. Photoredox catalytic activity of Au<sub>8</sub>Cu<sub>6</sub> is developed for the functionalization of alkynes under oxidative conditions. Mechanism studies based on the precise structure reveal the catalytic process of the Au<sub>8</sub>Cu<sub>6</sub> nanocluster. Oxidant-dependent selectivity of Au<sub>8</sub>Cu<sub>6</sub> catalysis is developed for chemodivergent synthesis of mono- and di-functionalized products in high efficiency. The results will stimulate more research on metal nanocluster synthesis and catalysis.