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Journal of Materials Science: Materials in Electronics

Published in:

08-09-2017

PVP-assisted synthesis and photocatalytic properties of magnetic Fe₃O₄/SiO₂/BiOBr composite

Authors: Huating Wu, Xingeng Ding, Wenqi Li, Chunrong Ren, Hui Yang

Published in: Journal of Materials Science: Materials in Electronics | Issue 24/2017

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Abstract

In this study, a magnetic Fe₃O₄/SiO₂/BiOBr composite photocatalyst was controllably synthesized a PVP-assisted solvothermal method. The Fe₃O₄/SiO₂/BiOBr composites are composed of many three-dimensional (3D) flower-like BiOBr microspheres loaded with many spherical Fe₃O₄ particles. The formation mechanism and effect of PVP’s concentration on the products were investigated and proposed. Experimental results showed that PVP might act as a potential crystal plane inhibitor in the system as well as the stabilizer on the surface of BiOBr nanoplates. The Fe₃O₄/SiO₂/BiOBr displayed high photocatalytic activity for the degradation of RhB under visible light irradiation, after which it can be easily recovered by applying an external magnetic field. Moreover, the as-prepared photocatalyst exhibited excellent stability and reusability in the cycled experiments.

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Title: PVP-assisted synthesis and photocatalytic properties of magnetic Fe3O4/SiO2/BiOBr composite
Authors: Huating Wu
Xingeng Ding
Wenqi Li
Chunrong Ren
Hui Yang
Publication date: 08-09-2017
Publisher: Springer US
Published in: Journal of Materials Science: Materials in Electronics / Issue 24/2017
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI: https://doi.org/10.1007/s10854-017-7802-9

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