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New stable isomorphous Ag34 and Ag33Au nanoclusters with an open shell electronic structure

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Abstract

A novel atom-precise 3-electron homosilver nanocluster (Ag34) 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 Ag34, in which a doping Au atom replaced a core silver atom. Notably, both Ag34 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 Ag34 and Ag33Au complexes complement the nanoclusters with an open shell electronic structure and unveil a new approach to synthesize monodisperse nanoclusters under mild conditions.

Graphical abstract: New stable isomorphous Ag34 and Ag33Au nanoclusters with an open shell electronic structure

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Publication details

The article was received on 21 Sep 2018, accepted on 05 Nov 2018 and first published on 06 Nov 2018


Article type: Communication
DOI: 10.1039/C8NR07714B
Citation: Nanoscale, 2018, Advance Article
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    New stable isomorphous Ag34 and Ag33Au nanoclusters with an open shell electronic structure

    X. Xi, J. Yang, J. Wang, X. Dong and S. Zang, Nanoscale, 2018, Advance Article , DOI: 10.1039/C8NR07714B

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