Citation: CAO Tie-Ping, LI Yue-Jun, MEI Ze-Min, WANG Xia, XI Xiao-Tian. Preparation of Bi/TiO₂ Composite NFs with Visible-Light Photocatalytic Activity[J]. Chinese Journal of Inorganic Chemistry, ;2017, 33(12): 2225-2232. doi: 10.11862/CJIC.2017.270 shu

Preparation of Bi/TiO₂ Composite NFs with Visible-Light Photocatalytic Activity

Research Centre of Nano Photocatalyst Materials, Baicheng Normal University, Baicheng, Jilin 137000, China

Corresponding author: MEI Ze-Min, bc640628@163.com
Received Date: 16 April 2017
Revised Date: 8 July 2017

Figures(10)

The Bi/TiO₂ composite nanofibers were prepared by locating the Bi nanoparticles through solvothermal process on the electrospun TiO₂ in the presence of EDTA, which acted as chelating and adsorbent agent. The phase, morphology and optical properties were characterized by X-ray diffraction, scanning electron microscope, transmission electron microscope, energy dispersive spectroscopy, UV-Vis diffuse reflection spectrum and photoluminescence. The results indicate that EDTA plays an important role in the preparation of the composite nanofibers, which means the size and the density of Bi nanoparticles locating at the surface of the nanofibers could be well controlled by changing the concentration of EDTA. The catalysts exhibit the highest photocatalytic efficiency when the content of Bi is 65%. The RhB was degraded for 96.40% under visible light irradiation for 180 min, and the degradation efficiency remained over 91% after 5 runs, which suggests that the photocatalysts got well photocatalytic activity and stability.
- electrospinnig,
- pure bismuth metal,
- composite nanofibers,
- visible-light photocatalysis
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通讯作者: 陈斌, bchen63@163.com

Preparation of Bi/TiO₂ Composite NFs with Visible-Light Photocatalytic Activity