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[M(2,2'–bpy)2]2SiW12O40（M=Mn,Co;bpy=联吡啶）的合成、结构及其电催化水产氧性能

薛淑萍1*,王海娟2   

  1. (1.吕梁学院矿业工程系 吕梁 033000；2.山西阳煤丰喜肥业（集团）有限责任公司 运城 044000)
  • 收稿日期:2012-07-03 修回日期:2012-09-21 出版日期:2013-03-10 发布日期:2013-03-10
  • 通讯作者: 薛淑萍，讲师; Tel/Fax:0358-8247198; E-mail:11hcxsp@163.com; 研究方向：电分析化学

Synthesis and Structure of H2O to O2 of [M (2,2'–bpy)2]2SiW12O40（M = Mn , Co; bpy=bipyridine） and Its Electrocatalytic Oxidation

XUE Shuping1*, WANG Haijuan2   

  1. (1.Department of Mining Engineering,Lvliang University,Lvliang 033000,China;
    2.Shanxi Yangmei Fengxi Fertilizer Industry(Group) Co. Ltd.,Yuncheng 044000,China)
  • Received:2012-07-03 Revised:2012-09-21 Published:2013-03-10 Online:2013-03-10
  • Contact: wang haijuan

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摘要： 用水热法合成了过渡金属联吡啶配阳离子硅钨杂多酸：[M(2,2′-bpy)2]2SiW12O40(M=Mn(1)和M=Co(2)），采用红外光谱、元素分析、热重和单晶X射线衍射对其进行了表征。 结果表明，化合物1和2是异质同构体，具有二维格子框架结构。 初步研究了2种化合物的电催化H2O析出O2性能，发现化合物1对电催化H2O析出O2有一定的催化作用。

关键词: 多金属氧酸盐, Keggin结构, 水热合成, 电催化氧化

Abstract: Two complexes of [M(2,2′-bpy)2]2SiW12O40(M=Mn(1) and M=Co(2)) have been synthesized under hydrothermal conditions and their structures were determined by using elemental analyses, IR, TG and single-crystal X-ray diffraction methods. The results showed that complexes 1 and 2 were isomorphic. The electrocatalytic activities of the two complexes toward the oxidation of H2O to O2 were preliminary evaluated. The result showed that only complex 1 has such electrocatalytic activity.

Key words: Polyoxometalate, Keggin structure, Hydrothermal synthesis

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