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Issue 39, 2018
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Simultaneous hetero-atom doping and foreign-thiolate exchange on the Au25(SR)18 nanocluster

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Abstract

Atomically precise tuning of the structures of nanoclusters (NCs for short) is exciting and critical for tailoring the properties, capturing the structure–property correlations, and strengthening the applications of these NCs. Metal-exchange and ligand-exchange are two universal methods used to modify the NCs at the atomic level. In this work, simultaneous hetero-atom doping and hetero-thiolate exchange are processed on the Au25 template by doping the Au25(SR)18 NC with Ag-SR complexes (where SR and SR′ represent different ligands), and these procedures are monitored by matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) and UV-vis spectrometry. Additionally, to obtain functional alloy NCs, Ag-SPhNH2 and Ag-SPhCOOH are used to dope the parent Au25(S-C2H4Ph)18, which successfully functionalizes the capped ligands and alloys the metallic kernel at the same time. Our work will hopefully shed light on the preparation of alloy NCs with intriguing functions.

Graphical abstract: Simultaneous hetero-atom doping and foreign-thiolate exchange on the Au25(SR)18 nanocluster

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Publication details

The article was received on 04 Jul 2018, accepted on 03 Sep 2018 and first published on 04 Sep 2018


Article type: Communication
DOI: 10.1039/C8DT02731E
Citation: Dalton Trans., 2018,47, 13766-13770
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    Simultaneous hetero-atom doping and foreign-thiolate exchange on the Au25(SR)18 nanocluster

    X. Wei, X. Kang, S. Wang and M. Zhu, Dalton Trans., 2018, 47, 13766
    DOI: 10.1039/C8DT02731E

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