Solvothermal Synthesis, Crystal Structure, and Photocatalytic H2 Evolution of two CuII Coordination Polymers Based on Keggin Polyoxotungstates

被引：4
|
作者：
Sun, Xianfeng [1 ]
You, Wansheng [1 ]
Han, Xuemei [1 ]
Ren, Li [1 ]
Huang, Cuiying [1 ]
Liu, Meiying [1 ]
机构：
[1] Liaoning Normal Univ, Inst Chem Functionalized Mat, Dalian 116029, Peoples R China
来源：
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2011年 / 637卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Polyoxometalates; Tungsten; Copper; Coordination polymers; Solvothermal synthesis; Photocatalysis; VANADIUM-SUBSTITUTED KEGGIN; FRAMEWORKS; CHAIN; CATALYSTS; CHANNELS; WATER;
D O I：
10.1002/zaac.201100120
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two new Cu-II coordination polymers based on alpha-Keggin polyoxotungstates, [Cu-2(dpa)(2)(H2O)(2)(GeW12O40)]center dot 0.5CH(3)COOH (1) and [Hdpa][Cu-2(dpa)(2)(4,4'-bipy)(H2O)(2)(PW10V2O40)] (2) (dpa = 2,2'-dipyridylamine, 4,4'-bipy = 4,4'-bipyridine), were obtained by solvothermal reactions in glacial acetic acid and characterized by elemental analysis, IR spectroscopy, TG analysis, X-ray powder diffraction, and single-crystal X-ray diffraction. Compound 1 exhibits a ID two-rowed chain constructed from [GeW12O40](4-) anions coordinated with [Cu(1)(dpa)](2+) and [Cu(2)(dpa)(H2O)(2)](2+) fragments by four terminal oxygen atoms. Compound 2 exhibits a 2D layered structure constructed from [PW10V2O40](5-) anions coordinated with [Cu(dpa)(4,4'-bipy)(0.5)(H2O)](2+) fragments by four terminal oxygen atoms. Furthermore, the electrochemical properties of 1 and the photocatalytic hydrogen production of 1 and 2 were investigated.
引用
收藏
页码：1341 / 1345
页数：5
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