Issue 19, 2020
From the journal:

Dalton Transactions

Syntheses, characterization and properties of two new dodeca-niobates presenting unprecedented features†

Ting-Ting Zhang,a   Po-Han Lin,a   Gui-Yang Yu,a   Xiao Zhang ORCID logo b  and  Xiao-Bing Cui ORCID logo *a  

* Corresponding authors

a College of Chemistry and State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun, Jilin, P. R. China
E-mail: cuixb@mail.jlu.edu.cn

b MIIT key laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, People's Republic of China

Abstract

Two new dodeca-niobate materials, K3[Nb2O2][H7SiNb12O40]·16H2O (1) and [Cu(en)2]9[(VNb12V1.69Nb0.31O42en0.31)2]·20.69H2O (2) (en = ethylenediamine), have been obtained under hydrothermal conditions and characterized by IR, UV-Vis, XRD, and single crystal X-ray diffraction analysis. Single crystal X-ray analysis reveals that compound 1 presents a reasonable bridging layer structure model and that K plays a great role in the three-dimensional structure. Compound 2 is the first capped Keggin POM with organic ligand chelating the capping atom. The photocatalytic hydrogen evolution and styrene epoxidation catalytic properties of the two compounds were also assessed. Additionally, compound 1 is also a good photocatalyst to degrade RhB.

Graphical abstract: Syntheses, characterization and properties of two new dodeca-niobates presenting unprecedented features

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Article information

DOI
https://doi.org/10.1039/D0DT00953A
Article type
Paper
Submitted
13 Mar 2020
Accepted
21 Apr 2020
First published
22 Apr 2020

Dalton Trans., 2020,49, 6495-6503

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Syntheses, characterization and properties of two new dodeca-niobates presenting unprecedented features

T. Zhang, P. Lin, G. Yu, X. Zhang and X. Cui, Dalton Trans., 2020, 49, 6495 DOI: 10.1039/D0DT00953A

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