4.8 Article

Trapping an octahedral Ag-6 kernel in a seven-fold symmetric Ag-56 nanowheel

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NATURE COMMUNICATIONS
卷 9, 期 -, 页码 -

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NATURE PORTFOLIO
DOI: 10.1038/s41467-018-04499-9

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资金

  1. NSFC [21571115]
  2. Natural Science Foundation of Shandong Province [JQ201803, ZR2017MB061]
  3. Young Scholars Program of Shandong University [2015WLJH24]
  4. Fundamental Research Funds of Shandong University [104.205.2.5, 2015JC045]
  5. CNRS-France

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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 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 Ag-6(4+) kernel and in situ generation of various Mo-based anion templates can be simultaneously controlled.

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