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Issue 38, 2017, Issue in Progress
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Synthesis and excellent visible light photocatalysis performance of magnetic reduced graphene oxide/ZnO/ZnFe2O4 composites

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Abstract

A novel magnetic RGO/ZnO/ZnFe2O4 composite was synthesized by a two step method. The phase formation, structure, morphology and chemical states were characterized by XRD, FESEM, TEM, FT-IR, Raman and XPS. The results showed that the composite consisted of a core–shell structure of ZnO/ZnFe2O4 coated with nearly transparent flake-like RGO. The photocatalytic effect of the composite was obviously better than that of single ZnO and ZnO/ZnFe2O4. The optimal sample was RGO/ZnO/ZnFe2O4-3 (the weight ratio of graphene to ZnO/ZnFe2O4 was 3%) which exhibited the best photocatalytic efficiency of 98.64% after 60 min under visible light irradiation for decolorization of MB. The reusability of RGO/ZnO/ZnFe2O4-3 was excellent because of the magnetic ZnFe2O4 which can be recycled using a magnet or constant magnetic field.

Graphical abstract: Synthesis and excellent visible light photocatalysis performance of magnetic reduced graphene oxide/ZnO/ZnFe2O4 composites

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Article information


Submitted
20 Feb 2017
Accepted
21 Apr 2017
First published
27 Apr 2017

This article is Open Access

RSC Adv., 2017,7, 23246-23254
Article type
Paper

Synthesis and excellent visible light photocatalysis performance of magnetic reduced graphene oxide/ZnO/ZnFe2O4 composites

J. Luo, Z. Yan, R. Liu, J. Xu and X. Wang, RSC Adv., 2017, 7, 23246
DOI: 10.1039/C7RA02083J

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    [Original citation] - Published by The Royal Society of Chemistry.

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