A novel transition-metal-linked hexaniobate cluster with photocatalytic H2 evolution activity

被引：20

作者：

Liang, Zhijie ^{[1
]}

Zhang, Dongdi ^{[1
]}

Liu, Qisen ^{[1
]}

Ma, Pengtao ^{[1
]}

Niu, Jingyang ^{[1
]}

Wang, Jingping ^{[1
]}

机构：

[1] Henan Univ, Coll Chem & Chem Engn, Inst Mol & Crystal Engn, Key Lab Polyoxometalate Chem Henan Prov, Kaifeng 475004, Henan, Peoples R China

来源：

INORGANIC CHEMISTRY COMMUNICATIONS | 2015年 / 54卷

基金：

中国国家自然科学基金;

关键词：

Polyoxoniobate; Transition metal; Photocatalytic; Crystal structure; POLYOXONIOBATE; COMPLEX;

D O I：

10.1016/j.inoche.2015.01.033

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A novel transition-metal (TM) complex based on Lindqvist polyoxoniobate K-10[(Nb6O19)Cr-III(H2O)(2)](2)center dot 28H(2)O (1) has been synthesized by anew two-pot synthesis strategy and structurally characterized by single crystal X-ray diffraction analysis, IR spectrum, UV-vis spectroscopy, XRPD and TG analysis. Compound 1 crystallizes in the C2/m space group with a = 32.143(19) angstrom, b = 10.030(6) angstrom, c = 12.878(8) A, beta = 110.611(9)degrees, and V= 3886(4) angstrom(3). X-ray structure analysis reveals that polyanion [(Nb6O19)Cr-III(H2O)(2)](2)(10-) (1a) represents the first example of two nuclear dimeric polyoxoniobate, in which two Lindqvist anions [Nb6O19](8) are sandwiched by two {Cr-III(H2O)(2)} groups. Further, 1 exhibits photocatalytic H-2 evolution activity. (C) 2015 Published by Elsevier B.V.

引用

页码：19 / 20

页数：2

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