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Issue 22, 2019
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Enclosing classical polyoxometallates in silver nanoclusters

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Due to the elusive nature of polyoxometallates (POMs) in the assembly of silver clusters, POMs trapped by silver clusters are usually different from the pristine form, which surely increases the novelty of the assembly results but makes the final structure predictability challenging. Herein, three novel high-nuclearity silver-thiolate clusters trapping two kinds of classical POMs, Lindqvist-Mo6O192− and V10O286−, are reported. They are identified to be [(V10O28)@Ag44] (SD/Ag44a), [(V10O28)@Ag46] (SD/Ag46), and [(Mo6O19)@Ag44] (SD/Ag44b) clusters, which are further extended to 1D chain, 2D sql layer, and 3D pcu framework, respectively. Of note, SD/Ag44b contains a regular cubic Mo6O19 core sealed by an Ag44(EtS)24 shell in a pseudo-sodalite unit and six SCl4 planar squares connecting the respective adjacent silver tetragonal faces. This structure is a novel zeolite closely related to the natural alumino-silicate ‘sodalite’ but exceptionally made of core–shell silver clusters. Moreover, the Oh symmetric Mo6O192− templates an Oh symmetric Ag44 cluster in SD/Ag44b, realizing authentic symmetry delivery from guest to host in this system. This is a rare silver cluster family with classical POMs encapsulated.

Graphical abstract: Enclosing classical polyoxometallates in silver nanoclusters

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The article was received on 13 May 2019, accepted on 17 May 2019 and first published on 20 May 2019

Article type: Paper
DOI: 10.1039/C9NR04045E
Nanoscale, 2019,11, 10927-10931

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    Enclosing classical polyoxometallates in silver nanoclusters

    Z. Wang, Y. Sun, Q. Qu, Y. Liang, X. Wang, Q. Liu, M. Kurmoo, H. Su, C. Tung and D. Sun, Nanoscale, 2019, 11, 10927
    DOI: 10.1039/C9NR04045E

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