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Trapping an octahedral Ag6 kernel in a seven-fold symmetric Ag56 nanowheel
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Trapping an octahedral Ag6 kernel in a seven-fold symmetric Ag56 nanowheel
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Journal Article
Trapping an octahedral Ag6 kernel in a seven-fold symmetric Ag56 nanowheel
2018
Overview
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 Ag
6
4+
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 Ag
56
shell and an inner Ag
6
4+
kernel in the centre with seven MoO
4
2−
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 Ag
6
4+
kernel and in situ generation of various Mo-based anion templates can be simultaneously controlled.
High-nuclearity silver clusters are appealing synthetic targets for their remarkable structures, but most are isolated serendipitously. Here, the authors describe the rational use of solvents to form cluster-in-cluster silver nanowheels, which comprise an octahedral Ag
6
4+
core surrounded by a Ag
56
cage of unusual seven-fold symmetry.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
