Journal
NANOSCALE
Volume 10, Issue 45, Pages 21013-21018Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8nr07714b
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Funding
- National Science Fund for Distinguished Young Scholars [21825106]
- National Natural Science Foundation of China [21671175]
- Program for Science & Technology Innovation Talents in Universities of Henan Province [164100510005]
- Program for Innovative Research Team (in Science and Technology) in Universities of Henan Province [19IRTSTHN022]
- Zhengzhou University
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A novel atom-precise 3-electron homosilver nanocluster (Ag-34) has been assembled for the first time by the oxidation of a thiol. When adding AuPPh3Cl in the reaction, we obtained an alloyed Ag33Au nanocluster, which shares a similar framework as that of Ag-34, in which a doping Au atom replaced a core silver atom. Notably, both Ag-34 and alloyed Ag33Au demonstrated exceptional stability in solution and solid state over 3 months, which is difficult to explain by using the superatom model. Such Ag-34 and Ag33Au complexes complement the nanoclusters with an open shell electronic structure and unveil a new approach to synthesize monodisperse nanoclusters under mild conditions.
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