A 3-D Wells–Dawson phosphotungstate hybrid material modified by Na+ and a bi-copper organic complex linker, and its photo-/electro-catalytic properties
An inorganic–organic hybrid material based on Dawson polyoxometalates, [Na2{CuI2(bim)2}2(P2W18O62)]·2H2O (bim = biimidazole) (1), has been hydrothermally synthesized and fully characterized. In 1, each {P2W18} cluster as a hexa-node ligand connects to six adjacent Dawson clusters via six Na1 ions to generate a pure inorganic 2-D layer, further joined by bimetal–organic segments [Cu2(bim)2]2+ to form a 3-D inorganic–organic hybrid framework with channels. The structure can be simplified to 3,8-connected 3-D networks with (43)(418·624·83) topology, which shows bifunctional electrocatalytic performance for oxidation of ascorbic acid (AA) and reduction of nitrite (NO2−), and high-efficient degradation ability for three typical dyes under UV light irradiation.
Publisher URL: http://www.tandfonline.com/doi/full/10.1080/00958972.2017.1400665
DOI: 10.1080/00958972.2017.1400665
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