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Type: Journal article
Title: Enhanced photo-Fenton-like process over Z-scheme CoFe₂O₄/g-C₃N₄ Heterostructures under natural indoor light
Other Titles: Enhanced photo-Fenton-like process over Z-scheme CoFe(2)O(4)/g-C(3)N(4) Heterostructures under natural indoor light
Author: Yao, Y.
Wu, G.
Lu, F.
Wang, S.
Hu, Y.
Zhang, J.
Huang, W.
Wei, F.
Citation: Environmental Science and Pollution Research, 2016; 23(21):21833-21845
Publisher: Springer-Verlag
Issue Date: 2016
ISSN: 0944-1344
Statement of
Yunjin Yao, Guodong Wu, Fang Lu, Shaobin Wang, Yi Hu, Jie Zhang, Wanzheng Huang, Fengyu Wei
Abstract: Low-cost catalysts with high activity and stability toward producing strongly oxidative species are extremely desirable, but their development still remains a big challenge. Here, we report a novel strategy for the synthesis of a magnetic CoFe2O4/C3N4 hybrid via a simple self-assembly method. The CoFe2O4/C3N4 was utilized as a photo-Fenton-like catalyst for degradation of organic dyes in the presence of H2O2 under natural indoor light irradiation, a green and energy-saving approach for environmental cleaning. It was found the CoFe2O4/C3N4 hybrid with a CoFe2O4: g-C3N4 mass ratio of 2:1 can completely degrade Rhodamine B nearly 100 % within 210 min under room-light irradiation. The effects of the amount of H2O2 (0.01-0.5 M), initial dye concentration (5-20 mg/L), solution pH (3.08-10.09), fulvic acid concentration (5-50 mg/L), different dyes and catalyst stability on the organic dye degradation were investigated. The introduction of CoFe2O4 on g-C3N4 produced an enhanced separation efficiency of photogenerated electron - hole pairs by a Z-scheme mechanism between the interfaces of g-C3N4 and CoFe2O4, leading to an excellent activity as compared with either g-C3N4 or CoFe2O4 and their mixture. This study demonstrates an efficient way to construct the low-cost magnetic CoFe2O4/C3N4 heterojunction as a typical Z-scheme system in environmental remediation.
Keywords: CoFe₂O₄; G-C₃N₄; photo-Fenton-like; organic pollutants; photocatalysis; Rhodamine B
Description: Published online: 14 August 2016
Rights: © Springer-Verlag Berlin Heidelberg 2016
DOI: 10.1007/s11356-016-7329-2
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Chemical Engineering publications

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