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《Journal of Molecular Science》 2006-02
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Electrochemical behavior of the bis (undeca molybdotungstosilicate)europium K_(10)H_ 3[Eu(SiMo_4W_7O_(39))_2]·xH_2O,in aqueous solution

ZHANG Wei~ 1 , ZHANG Yan~ 2 , MA Hui-yuan~ *,1 , DONG Tao~ 1 , WANG Xiao-dan~1, LI Chun-xiang~1 (1.Departmen of Chemistry,Harbin Normal University, Harbin 150025; 2.College of Live and Environmental Sciences,Central University for Nationalities, Beijing 100081)  
The electrochemical behavior of the Eu(SiMo_ 4 W_ 7 )_ 2 ~ 13- in aqueous solution has been studied using cyclic voltammetry. In the potential range between 0.70~-0.45 V vs SCE, the anion in pH= 3.84 aqueous solution undergoes two one-electron redox cycles from the molybdate-oxo framework, which linear shifts of redox peaks toward negative direction occur as the pH of solution increases. The complex shows good electrocatalytic activity to the reduction of nitrite and catalase.
【Fund】: 黑龙江省自然科学基金资助项目(B0308).
【CateGory Index】: O611.3
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1 YOU Wan-sheng; WANG Yi-bo;WANG En-bo; LUAN Guo-you HAN Zheng-bo (Institute of Chemistry, Northeast Normal University, Changchun 130024, China);Hydrothermal synthesis and structural characterization of (NH_4)_4HPW_(10)V_2O_(40)· 2.5H_2O with α-Keggin structure[J];Journal Fo Molecular Science;2000-02
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