Inorganic-organic hybrid supramolecular material based on the highest connection of a Keggin arsenotungstate with electro-/photo-catalytic properties |
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| Affiliation: | 1. Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, Harbin Normal University, Harbin 150025, China;2. Key Laboratory of Photochemical Biomaterialsand Energy Storage Material, Heilongjiang Province, Harbin Normal University Harbin, 150025, China;1. Key Laboratory of Inorganic Chemistry in Universities of Shandong, Department of Chemistry and Chemical Engineering, Jining University, Qufu, Shandong 273155, China;2. School of Pharmacy, Jiamusi University, Jiamusi, Heilong Jiang 154007, China;1. MOE Key Laboratory of Cluster Science, School of Chemistry, Beijing Institute of Technology, Beijing 100081, China;2. Henan Key Laboratory of Polyoxometalate Chemistry, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004, China;3. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China |
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| Abstract: | An extraordinary supramolecular hybrid material based on the Keggin arsenotungstate, (Hbimb)3AsW12O40]·H2O (1) (bimb = 1,4-bis(imidazol-l-yl)butane) has been synthesized under hydrothermal condition and characterized by elemental analysis, infrared (IR), thermogravimetry (TG), X-Ray Diffractomer (XRD), and single-crystal XRD. In compound 1 the {AsW12O40} cluster is linked to 14 organic ligands through their surface oxygen atoms, which are further embraced by 20 polyanions analogs to form a tightly packed 3D supramolecular network with a (45·6)(452·638·8)(49·6)2 topology via strong hydrogen bonds and supramolecular interactions. Compound 1 represents the highest connectivity of Keggin supramolecular arsenotungstate, which exhibits electrocatalytic behaviors for reduction of H2O2 and high efficiency degradation capability for two typical dyes methylene blue (MB) and rhodamine B (RhB) under UV light. |
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