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Synthesis, characterization and their photocatalytic degradation properties of ZnO/ZnFe2O4 magnetic heterostructures

Abstract

We present a facile strategy for preparing uniform ZnO/ZnFe2O4 hierarchical heterostructures by using a Zn-Fe mixed-metal organic framework (Zn(Fe)-MOF) as the precursor via a subsequent calcination process. The phase structures, morphologies and magnetic properties of the as-obtained ZnO/ZnFe2O4 heterostructures were characterized in detail by powder X-ray diffracterization (XRD), scanning electron microscopy (SEM), high resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS), and vibrating sample magnetometer (VSM), respectively. The ZnO/ZnFe2O4 heterostructures obtained after calcination remained the special mocrosphere morphology of Zn(Fe)-MOF, which was assembled from numorous of flake-like nanosheets. When served as the photocatalyst for degradation of Rhodamine B (RhB) and Methylene blue (MB) dyes in aqueous solution, the ZnO/ZnFe2O4 heterostructures exhibit a relately high catalytic performance and excellent resuability upon Xe lamp irradiation, moreover, they can be easily seperated from the reaction system by an extra magnet, suggesting its potential application in water treatment. This study prvides an effective route for the construction of novel multi-component photocatalysts with intriguing microstructures.

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Publication details

The article was received on 06 Sep 2017, accepted on 08 Nov 2017 and first published on 09 Nov 2017


Article type: Paper
DOI: 10.1039/C7NJ03373G
Citation: New J. Chem., 2017, Accepted Manuscript
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    Synthesis, characterization and their photocatalytic degradation properties of ZnO/ZnFe2O4 magnetic heterostructures

    Y. Xu, S. Wu, X. Li, Y. Huang, Z. Wang, Y. han, J. Wu, H. Meng and X. Zhang, New J. Chem., 2017, Accepted Manuscript , DOI: 10.1039/C7NJ03373G

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