Stabilisation of high-valent Cu3+ in a Keggin-type polyoxometalate

Xiang Li; Yuanhang Ren; Zhewei Weng; Bin Yue; Heyong He

doi:10.1039/C9CC09235H

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Stabilisation of high-valent Cu³⁺ in a Keggin-type polyoxometalate†

Xiang Li,

^a Yuanhang Ren,

^a Zhewei Weng,^a Bin Yue

*^a and Heyong He

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200438, P. R. China
E-mail: yuebin@fudan.edu.cn, heyonghe@fudan.edu.cn

Abstract

An unprecedented Keggin-type Cu³⁺-containing polyoxometalate Cs₃H[Cu^IIIPW₁₁O₃₉]·11H₂O (1-Cs) was successfully synthesised through a newly-developed Ag⁺-promoted chemical oxidation by S₂O₈²⁻ in aqueous medium and systematic characterisation with powder XRD, XPS, IR, UV-vis and ³¹P NMR spectroscopies proves the effective stabilisation of a high-valent Cu³⁺ center by a mono-lacunary Keggin type polyoxometalate ligand.

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Article information

DOI: https://doi.org/10.1039/C9CC09235H
Article type: Communication
Submitted: 27 Nov 2019
Accepted: 20 Jan 2020
First published: 20 Jan 2020

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Chem. Commun., 2020,56, 2324-2327

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Stabilisation of high-valent Cu³⁺ in a Keggin-type polyoxometalate

X. Li, Y. Ren, Z. Weng, B. Yue and H. He, Chem. Commun., 2020, 56, 2324 DOI: 10.1039/C9CC09235H

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