Issue 33, 2012
From the journal:

Dalton Transactions

Synthesis of diamondoid lanthanide–polyoxometalate solids as tunable photoluminescent materials†

Wen-Feng Zhao,a   Chao Zou,a   Lian-Xu Shi,a   Jian-Can Yu,b   Guo-Dong Qian*b  and  Chuan-De Wu*a  

* Corresponding authors

a Department of Chemistry, Zhejiang University, Hangzhou, P. R. China
E-mail: cdwu@zju.edu.cn

b State Key Laboratory of Silicon Materials, Department of Materials Science & Engineering, Zhejiang University, Hangzhou, P. R. China
E-mail: gdqian@zju.edu.cn

Abstract

The reaction between polyoxometalate (POM) [TBA]12[WZn{Zn(H2O)}2(ZnW9O34)2] (TBA = tetrabutyl ammonium) and lanthanide (Ln) nitrate (Ln = La, Eu and Tb) in a mixed solvent of CH3CN and DMF yielded three noncentrosymmetric diamondoid Ln–POM solid materials, {[Ln2(DMF)8(H2O)6][ZnW12O40]}·4DMF (Ln–POM; Ln = La, Eu and Tb). In these compounds, the {ZnW12O40} unit, transferred from the metastable [WZn{Zn(H2O)}2(ZnW9O34)2] cluster, acts as a tetradentate ligand to connect with four Ln nodes, while the Ln ion links up two {ZnW12O40} units. These compounds generated interesting luminescence emissions that are dependent on the Ln ions and their ratios. White light emission was obtained by a doped approach with a rational ratio of the Eu3+ and Tb3+ ions.

Graphical abstract: Synthesis of diamondoid lanthanide–polyoxometalate solids as tunable photoluminescent materials

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Article information

DOI
https://doi.org/10.1039/C2DT30481C
Article type
Paper
Submitted
28 Feb 2012
Accepted
29 May 2012
First published
30 May 2012

Dalton Trans., 2012,41, 10091-10096

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Synthesis of diamondoid lanthanide–polyoxometalate solids as tunable photoluminescent materials

W. Zhao, C. Zou, L. Shi, J. Yu, G. Qian and C. Wu, Dalton Trans., 2012, 41, 10091 DOI: 10.1039/C2DT30481C

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