期刊
DALTON TRANSACTIONS
卷 43, 期 26, 页码 10005-10012出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4dt00619d
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资金
- State Key Laboratory of Coordination Chemistry of Nanjing University, Nanjing Forestry University
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- College and University Graduate Research Innovation Project of Jiangsu Province [CXLX13_517]
- University Science Research Project of Jiangsu Province [13KJB220006]
A new 3D extended heteropoly blue Ba-4[(SiW4W8O40)-W-V-O-VI]center dot H2O (1) composed of twelve-coordinated a-Keggin anions [(SiW4W8O40)-W-V-O-VI](8-) and eight-coordinated Ba sites {BaO8} has been hydrothermally synthesized and fully characterized by elemental analysis, IR spectroscopy, XPS, single crystal X-ray and X-ray powder (XRPD) diffraction. 1 represents the first inorganic 3D framework constructed from four-electron reduced a-Keggin anions linked by alkaline earth metals. The photocatalytic activity of 1 has been evaluated for rhodamine B (RhB) degradation. 1 exhibits excellent catalytic activity for the degradation of RhB in the presence of H(2)O(2)and the involvement of visible light makes a more complete degradation. The results of the current study suggest that multi-electron reduced polyoxometalates can catalyze efficient degradation of an organic dye with H2O2.
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