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Issue 43, 2017
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Multi-ligand-directed synthesis of chiral silver nanoclusters

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Abstract

Engineering the surface ligands of metal nanoclusters is critical for tuning their sizes, structures and properties at the atomic level. Herein, we report the synthesis and total structure determination of [Ag32(Dppm)5(SAdm)13Cl8]3+ and [Ag45(Dppm)4(S-But)16Br12]3+ (where Dppm = bis(diphenyphosphino)methane, HSAdm = 1-adamantanethiol and HS-But = tert-butyl mercaptan). The compositions of these two silver nanoclusters are determined by single-crystal X-ray diffraction (SC-XRD) and X-ray photoelectron spectroscopy (XPS), respectively. Remarkably, the asymmetric distribution of the three types of ligands (thiolate, phosphine, and halogen) on the cluster surface is responsible for the chirality of the clusters. It is worth noting that these findings demonstrate the key principles of ligand-shell anchoring for the tri-ligand protected silver clusters. Our work will offer further insights into the synthesis of chiral metal clusters by tailoring the surface ligands.

Graphical abstract: Multi-ligand-directed synthesis of chiral silver nanoclusters

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Publication details

The article was received on 25 Aug 2017, accepted on 27 Sep 2017 and first published on 28 Sep 2017


Article type: Paper
DOI: 10.1039/C7NR06338E
Citation: Nanoscale, 2017,9, 16800-16805
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    Multi-ligand-directed synthesis of chiral silver nanoclusters

    X. Zou, S. Jin, W. Du, Y. Li, P. Li, S. Wang and M. Zhu, Nanoscale, 2017, 9, 16800
    DOI: 10.1039/C7NR06338E

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