Trapping an octahedral Ag6 kernel in a seven-fold symmetric Ag56 nanowheel

Zhi Wang, Hai-Feng Su, Mohamedally Kurmoo, Chen-Ho Tung, Di Sun () and Lan-Sun Zheng
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Zhi Wang: Shandong University
Hai-Feng Su: Xiamen University
Mohamedally Kurmoo: Université de Strasbourg, CNRS-UMR 7177
Chen-Ho Tung: Shandong University
Di Sun: Shandong University
Lan-Sun Zheng: Xiamen University

Nature Communications, 2018, vol. 9, issue 1, 1-8

Abstract: Abstract High-nuclearity silver clusters are appealing synthetic targets for their remarkable structures, but most are isolated serendipitously. We report here six giant silver-thiolate clusters mediated by solvents, which not only dictate the formation of an octahedral Ag64+ kernel, but also influence the in situ-generated Mo-based anion templates. The typical sevenfold symmetric silver nanowheels show a hierarchical cluster-in-cluster structure that comprises an outermost Ag56 shell and an inner Ag64+ kernel in the centre with seven MoO42− anion templates around it. Electrospray ionization mass spectrometry analyses reveal the underlying rule for the formation of such unique silver nanowheels. This work establishes a solvent–intervention approach to construct high-nuclearity silver clusters in which both the formation of octahedral Ag64+ kernel and in situ generation of various Mo-based anion templates can be simultaneously controlled.

Date: 2018
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DOI: 10.1038/s41467-018-04499-9

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