期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 708, 期 -, 页码 1141-1149出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2017.03.095
关键词
Magnetic materials; Nanocomposites; Rhodamine B; Photodegradation; Mechanism
资金
- National Natural Science Foundation of China [21177061]
- Natural Science Foundation of Jiangsu Province [BK20150968]
The novel, stable, and environmentally friendly Ag2O/g-C3N4/Fe3O4 nanocomposites were firstly synthesized with a combination of calcination and co-precipitation methods. The material was characterized by using transmission electron microscopy (TEM), Energy dispersive X-ray spectrometry (EDS), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), X-ray photoelectron spectroscopy (XPS), ultravioletevisible (UVeVis) diffuse reflectance spectroscopy, thermogravimetric analysis (TGA), and vibrating sample magnetometry (VSM). The nanocomposites were applied in the photodegradation of Rhodamine B (RhB) under visible light. The effects of the catalyst component ratio, catalyst dosage, solution pH, RhB concentration and catalyst reusability on the degradation were explored. 10 mg/L RhB can be degraded by 98.3% after 60 min under 500 W of visible light. In addition, the photodegradation kinetics and the possible reaction mechanism were investigated. (C) 2017 Elsevier B.V. All rights reserved.
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