A metal-organic framework based on Wells-Dawson polyoxometalates [As2W18O62]6- template

被引：28
|
作者：
Yang, Yuan [1 ]
Liu, Shuxia [1 ]
Li, Congcong [1 ]
Li, Shujun [1 ]
Ren, Guojian [1 ]
Wei, Feng [1 ]
Tang, Qun [1 ]
机构：
[1] NE Normal Univ, Coll Chem, Minist Educ, Key Lab Polyoxometalates Sci, Changchun 130024, Jilin, Peoples R China
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2012年 / 17卷
关键词：
Metal-organic framework; Polyoxometalates; Electrochemical; WATER; CHEMISTRY; BEHAVIOR;
D O I：
10.1016/j.inoche.2011.12.013
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A metal-organic framework based on Wells-Dawson polyoxometalate [As2W18O62](6-), Co-2(bpy)(3)(ox)(As2W18O62)center dot 2(H(2)bpy)center dot 2H(2)O (1) (bpy = 4,4'-bipyridine, ox = oxalate), has been synthesized hydrothermally by reacting Co(NO3)(2), 4,4'-bipyridine, oxalate and K6As2W18O62. Single-crystal X-ray diffraction reveals that compound 1 contains a 3D cationic host framework composed of oxalate-bridged binuclear secondary building unit and 4,4'-bipyridine linkers. The channels of the 3D host framework are occupied by Wells-Dawson [As2W18O62](6-) templates. Thermogravimetric analysis shows the host framework keeps high thermal stability up to 450 degrees C. Furthermore, the electrochemistry property of 1 has been studied. The result indicates 1 has good electrocatalytic activity toward the reduction of nitrite. (c) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：54 / 57
页数：4
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