Open AccessFacile Synthesis of Magnetic Reduced Graphene Oxide-ZnFe2O4 Composites with Enhanced Visible-Light Photocatalytic Activity
Author(s) -
Jianping Ai,
Weihang Xu,
Ruibo Zhang,
Kaiyu Su,
Liling Hu,
Lihong Cheng,
Xiaohua Ouyang,
Wenkui Li
Publication year - 2019
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/678/1/012155
Subject(s) - photocatalysis , graphene , materials science , oxide , photodegradation , visible spectrum , nanocomposite , decomposition , catalysis , chemical engineering , nanoparticle , radical , degradation (telecommunications) , photochemistry , composite material , nanotechnology , chemistry , organic chemistry , metallurgy , telecommunications , optoelectronics , computer science , engineering
Magnetic ZnFe 2 O 4 -the reduced graphene (rGO) nanocomposites (ZnFe 2 O 4 -rGO NCs) have been successfully synthesized by a facile solvothermal method. The photocatalytic activities of the prepared photocatalysts were evaluated by degradation of methylene blue (MB) dyes under visible-light irradiation. In comparison with ZnFe 2 O 4 nanoparticles(NPs) catalyst, the ZnFe 2 O 4 -rGO NCs can generate more hydroxyl radicals (•OH) via photoelectron chemical decomposition of H 2 O 2 . Moreover, the as-prepared ZnFe 2 O 4 -rGO NCs can magnetically separable in a suspension system. Therefore, they can be conveniently applied to dispose toxic organic pollutants during water treatment.