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Issue 16, 2018
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Preparation of carbon-based AuAg alloy nanoparticles by using the heterometallic [Au4Ag4] cluster for efficient oxidative coupling of anilines

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Abstract

We herein report the preparation of unique heteroatom-doped and carbon-based AuAg alloy nanoparticles (NPs) via the pyrolysis of a structurally defined octanuclear heterometallic Au(I)–Ag(I) cluster [Au4Ag4(Dppy)4(Tab)4(MeCN)4](PF6)8 (2, Dppy = diphenylphosphine-2-pyridine and Tab = 4-(trimethylammonio)benzenethiolate). This cluster-precursor approach exerts a fine control over the spatial arrangement, size and uniformity of the AuAg alloy NPs as well as the doped heteroatoms (P, N, F and S). The optimized material prepared at 450 °C efficiently catalyzes the oxidative coupling of anilines to yield azobenzenes under mild conditions.

Graphical abstract: Preparation of carbon-based AuAg alloy nanoparticles by using the heterometallic [Au4Ag4] cluster for efficient oxidative coupling of anilines

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Publication details

The article was received on 21 Feb 2018, accepted on 21 Mar 2018 and first published on 21 Mar 2018


Article type: Paper
DOI: 10.1039/C8DT00695D
Citation: Dalton Trans., 2018,47, 5780-5788
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    Preparation of carbon-based AuAg alloy nanoparticles by using the heterometallic [Au4Ag4] cluster for efficient oxidative coupling of anilines

    B. Gao, M. Zhang, X. Chen, D. Zhu, H. Yu, W. Zhang and J. Lang, Dalton Trans., 2018, 47, 5780
    DOI: 10.1039/C8DT00695D

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