Issue 16, 2013
From the journal:

Dalton Transactions

Self-assembly and photocatalytic property of germanoniobate [H6Ge4Nb16O56]10−: encapsulating four {GeO4} tetrahedra within a {Nb16} cage†

Jian-Qiang Shen,a   Shuang Yao,b   Zhi-Ming Zhang,*a   Hai-Hong Wu,a   Tian-Zhan Zhanga  and  En-Bo Wang*a  

* Corresponding authors

a Key Laboratory of Polyoxometalate Science of Ministry of Education, Department of Chemistry, Northeast Normal University, Renmin Street No. 5268, Changchun, Jilin, P. R. China
E-mail: zhangzm178@nenu.edu.cn, wangeb889@nenu.edu.cn

b College of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun, Jilin 130022, P. R. China

Abstract

An unprecedented organic–inorganic hybrid germanoniobate compound Na4[Cu(en)2(H2O)2]5[Na6Ge8Nb32O108H8(OH)4]·41H2O (1) was synthesized under the hydrothermal condition. In compound 1, the {Nb16} cage containing four {GeO4} tetrahedra in its internal cavity results in a heteropolyniobate anion [H4Ge4Nb16O54(OH)2]10− ({Ge4Nb16}), which is connected by a {Na6} cluster into the first germanoniobate-based sandwich-type structure. Further, the sandwich germanoniobates are connected by [Na2Cu(en)2O6H8] groups into a porous network with one dimensional channels along the a-axis. Photocatalytic study reveals that compound 1 exhibits good photocatalytic activity for the degradation of methylene blue.

Graphical abstract: Self-assembly and photocatalytic property of germanoniobate [H6Ge4Nb16O56]10−: encapsulating four {GeO4} tetrahedra within a {Nb16} cage

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Article information

DOI
https://doi.org/10.1039/C3DT32855D
Article type
Paper
Submitted
28 Nov 2012
Accepted
28 Jan 2013
First published
31 Jan 2013

Dalton Trans., 2013,42, 5812-5817

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Self-assembly and photocatalytic property of germanoniobate [H6Ge4Nb16O56]10−: encapsulating four {GeO4} tetrahedra within a {Nb16} cage

J. Shen, S. Yao, Z. Zhang, H. Wu, T. Zhang and E. Wang, Dalton Trans., 2013, 42, 5812 DOI: 10.1039/C3DT32855D

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