Issue 19, 2019
From the journal:

Chemical Communications

Octahedron-shaped three-shell Ln14-substituted polyoxotungstogermanates encapsulating a W4O15 cluster: luminescence and frequency dependent magnetic properties†

Yong-Jiang Wang,a   Shi-Yu Wu,a   Yan-Qiong Sun, ORCID logo *a   Xin-Xiong Li ORCID logo a  and  Shou-Tian Zheng ORCID logo *a  

* Corresponding authors

a College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
E-mail: sunyq@fzu.edu.cn, stzheng@fzu.edu.cn

Abstract

A series of new Ln14-substituted polyoxometalates, H27Na16[(Ln14(H2O)W4(OH)O14)(WO4)4(GeW10O38)6]·nH2O (n ≈ 86) (1-Ln, Ln = Eu, Gd, Tb, Dy, Ho, Er), which contain 14 Ln3+ and 6 {α(1,5)-[GeW10O38]12−} units, has been synthesized in one-pot reactions. As the first 14-Ln-containing polyoxometalates, the octahedron-shaped three-shell structure of the [(Ln14(H2O)W4(OH)O14)(WO4)4(GeW10O38)6]43− polyanion is made up of a W4 tetrahedron, a Ln14W4 tetrahedron and a Ge6W60 octahedron. Compound 1-Dy exhibits frequency dependent magnetic properties. Compounds 1-Eu, 1-Tb and 1-Dy exhibit the characteristic emission bands of the Ln3+ ion.

Graphical abstract: Octahedron-shaped three-shell Ln14-substituted polyoxotungstogermanates encapsulating a W4O15 cluster: luminescence and frequency dependent magnetic properties

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Article information

DOI
https://doi.org/10.1039/C9CC00073A
Article type
Communication
Submitted
04 Jan 2019
Accepted
04 Feb 2019
First published
04 Feb 2019

Chem. Commun., 2019,55, 2857-2860

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Octahedron-shaped three-shell Ln14-substituted polyoxotungstogermanates encapsulating a W4O15 cluster: luminescence and frequency dependent magnetic properties

Y. Wang, S. Wu, Y. Sun, X. Li and S. Zheng, Chem. Commun., 2019, 55, 2857 DOI: 10.1039/C9CC00073A

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