【摘 要】
：
A new inorganic-organic hybrid tetravanadate [Co(2,2'-bpy)3]2V4O12·11H2O(1) has been prepared and characterized. X-Ray diffraction study reveals that compound
【机 构】
：
Department of Chemistry,State Key Laboratory of Electroanalytical Chemistry
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A new inorganic-organic hybrid tetravanadate [Co(2,2'-bpy)3]2V4O12·11H2O(1) has been prepared and characterized. X-Ray diffraction study reveals that compound 1 contains classical cluster anions [V4O12]4-, coordi-nated cations [Co(2,2'-bpy)3]2+ and eleven water molecules, in which an interesting decamer water cluster is formed. The hybrid nanoparticles were firstly used as a bulk-modifier to fabricate a chemically modified paste electrode (1-CPE). The electrochemical behavior and electrocatalysis of 1-CPE have been studied in detail. The results indicate that 1-CPE has a good electrocatalytic activity toward the reduction of bromate in a 0.5 mol/L H2SO4 aqueous solu-tion. 1-CPE shows remarkable stability that be ascribed to the hydrogen bonding interactions between V4O12 cluster and water cluster, which are very important for practical application in electrode modification.
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