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Start Over Author "Cui, Shihai" Journal journal of alloys and compounds
7 results on '"Cui, Shihai"'

6. Preparation of Ag2O/g-C3N4/Fe3O4 composites and the application in the photocatalytic degradation of Rhodamine B under visible light

Author

Dapeng Zhang, Jing Yang, and Cui Shihai

Subjects
Thermogravimetric analysis, Materials science, Diffuse reflectance infrared fourier transform, Mechanical Engineering, Metals and Alloys, 02 engineering and technology, 010402 general chemistry, 021001 nanoscience & nanotechnology, Photochemistry, 01 natural sciences, 0104 chemical sciences, law.invention, chemistry.chemical_compound, X-ray photoelectron spectroscopy, chemistry, Mechanics of Materials, law, Materials Chemistry, Rhodamine B, Calcination, Fourier transform infrared spectroscopy, 0210 nano-technology, Photodegradation, Visible spectrum, Nuclear chemistry
Abstract

The novel, stable, and environmentally friendly Ag 2 O/g-C 3 N 4 /Fe 3 O 4 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), ultraviolet–visible (UV–Vis) 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.

Published
2017

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