Citation: Li Jing, Wang Jianan, Li Lingling, Li Wei, Ni Gang. Synthesis and Photocatalytic Properties of Magnetic γ-Fe₂O₃/BiOCl/BiVO₄ Composite Photocatalyst[J]. Chemistry, ;2016, 79(2): 147-151. shu

Synthesis and Photocatalytic Properties of Magnetic γ-Fe₂O₃/BiOCl/BiVO₄ Composite Photocatalyst

1.
College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021

Corresponding author: Ni Gang,
Received Date: 18 July 2015
Available Online: 18 September 2015
Fund Project:

The magnetic γ-Fe₂O₃/BiOCl/BiVO₄ composite photocatalyst was successfully synthesized by a simple ultrasound-hydrothermal method. The crystalline structures, morphologies and optical properties of the γ-Fe₂O₃/BiOCl/BiVO₄ composite photocatalyst were characterized by X-ray powder diffraction, SEM and UV-Vis DRS. The as-prepared micron massive of BiVO₄ with average diameters of 1.5~2.0 μm were constructed by BiOCl/BiVO₄ nanosheets decorated by γ-Fe₂O₃ nanoparticles. The photocatalytic activities of γ-Fe₂O₃/BiOCl/BiVO₄ were evaluated via the photodegradation of rhodamine B under visible-light radiation. The results showed that the 15% γ-Fe₂O₃/BiOCl/BiVO₄ composite photocatalyst can be easily separated from the reaction solution by external magnetic field, and the composite photocatalyst has high visible light catalytic activity and stability, the degradation rate of rhodamine B and light catalyst recovery rate can still be reached to 88.6% and 90.3% after used 4 times. It has potential applications in water treatment and environmental cleaning.
- Magnetism,
- γ-Fe₂O₃/BiOCl/BiVO₄,
- Rhodamine B
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Synthesis and Photocatalytic Properties of Magnetic γ-Fe2O3/BiOCl/BiVO4 Composite Photocatalyst

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通讯作者: 陈斌, bchen63@163.com

Synthesis and Photocatalytic Properties of Magnetic γ-Fe₂O₃/BiOCl/BiVO₄ Composite Photocatalyst