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Issue 36, 2011
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Novel inorganic–organic hybrids constructed from multinuclear copper cluster and Keggin polyanions: from 1D wave-like chain to 2D network

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Abstract

Two novel inorganic–organic hybrids constructed from Keggin-type polyanions and multinuclear copper clusters based on 1-H-1,2,3-benzotriazole (HBTA), [CuI8(BTA)4(HBTA)8(SiMo12O40)]·2H2O (1) and [CuII6(OH)4(BTA)4(SiW12O40)(H2O)6]·6H2O (2), have been hydrothermally synthesized and structurally characterized by single crystal X-ray diffraction, elemental analyses, IR spectra and thermogravimetric (TG) analyses. In compound 1, eight CuI ions were linked by twelve HBTA/BTA ligands to form an octanuclear CuI cluster, which is connected by SiMo12O404 anion with two bridging O atoms and two terminal O atoms to construct a one-dimensional (1D) wave-like chain. The octanuclear copper unit represents the maximum subunit linked just by amine ligands in the POMs system. In 2, four BTA ligands linked five CuII ions constructing a pentanuclear “porphyrin-like” subunit, which is connected by another CuII ion to form a 1D metal–organic band. The SiW12O404polyanions as tetradentate inorganic linkages extend the 1D band into a two-dimensional (2D) network with (83)2(85·10) topology. To the best of our knowledge, compounds 1 and 2 represent the first examples of inorganic–organic hybrids based on metal-HBTA multinuclear subunits and polyoxometalates. The photocatalysis and electrochemical properties have been investigated in this paper.

Graphical abstract: Novel inorganic–organic hybrids constructed from multinuclear copper cluster and Keggin polyanions: from 1D wave-like chain to 2D network

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Publication details

The article was received on 28 Apr 2011, accepted on 28 Jun 2011 and first published on 11 Aug 2011


Article type: Paper
DOI: 10.1039/C1DT10776C
Citation: Dalton Trans., 2011,40, 9299-9305
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    Novel inorganic–organic hybrids constructed from multinuclear copper cluster and Keggin polyanions: from 1D wave-like chain to 2D network

    X. Wang, Y. Wang, G. Liu, A. Tian, J. Zhang and H. Lin, Dalton Trans., 2011, 40, 9299
    DOI: 10.1039/C1DT10776C

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