NDLI: Enhanced photo-Fenton-like process over Z-scheme CoFe$_{2}$O$_{4}$/g-C$_{3}$N$_{4}$ Heterostructures under natural indoor light

Content Provider	Springer Nature Link
Author	Yao, Yunjin Wu, Guodong Lu, Fang Wang, Shaobin Hu, Yi Zhang, Jie Huang, Wanzheng Wei, Fengyu
Copyright Year	2016
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 CoFe$_{2}$O$_{4}$/C$_{3}$N$_{4}$ hybrid via a simple self-assembly method. The CoFe$_{2}$O$_{4}$/C$_{3}$N$_{4}$ was utilized as a photo-Fenton-like catalyst for degradation of organic dyes in the presence of H$_{2}$O$_{2}$ under natural indoor light irradiation, a green and energy-saving approach for environmental cleaning. It was found the CoFe$_{2}$O$_{4}$/C$_{3}$N$_{4}$ hybrid with a CoFe$_{2}$O$_{4}$: g-C$_{3}$N$_{4}$ 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 H$_{2}$O$_{2}$ (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 CoFe$_{2}$O$_{4}$ on g-C$_{3}$N$_{4}$ produced an enhanced separation efficiency of photogenerated electron − hole pairs by a Z-scheme mechanism between the interfaces of g-C$_{3}$N$_{4}$ and CoFe$_{2}$O$_{4}$, leading to an excellent activity as compared with either g-C$_{3}$N$_{4}$ or CoFe$_{2}$O$_{4}$ and their mixture. This study demonstrates an efficient way to construct the low-cost magnetic CoFe$_{2}$O$_{4}$/C$_{3}$N$_{4}$ heterojunction as a typical Z-scheme system in environmental remediation.
Starting Page	21833
Ending Page	21845
Page Count	13
File Format	PDF
ISSN	09441344
Journal	Environmental Science and Pollution Research
Volume Number	23
Issue Number	21
e-ISSN	16147499
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-08-14
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	CoFe$_{2}$O$_{4}$ G-C$_{3}$N$_{4}$ Photo-Fenton-like Organic pollutants Photocatalysis Rhodamine B Environment Environmental Chemistry Ecotoxicology Environmental Health Atmospheric Protection/Air Quality Control/Air Pollution Waste Water Technology Water Pollution Control Water Management Aquatic Pollution
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Health, Toxicology and Mutagenesis Pollution Medicine

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