Journal
CHINESE JOURNAL OF CHEMICAL PHYSICS
Volume 23, Issue 1, Pages 73-78Publisher
CHINESE PHYSICAL SOC
DOI: 10.1088/1674-0068/23/01/73-78
Keywords
Photocatalysis; Composite photocatalyst; Visible-light
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Funding
- General Program of Beijing Municipal Education Committee [KM200910009011]
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Er-doped BiVO4 composite photocatalyst was hydrothermal synthesized and characterized by X-ray powder diffraction, scanning electron microscopy, energy-dispersive X-ray Spectroscopy, X-ray photoelectron spectroscopy, and UV-Vis diffuse reflectance spectra techniques. The activity of the catalyst was determined by oxidative decomposition of methyl orange in aqueous solution under visible-light irradiation. X-ray photoelectron spectroscopy and energy-dispersive X-ray Spectroscopy analysis revealed that the doped Er existed in the form of Er2O3. It also showed that the Er doping can enhance the visible-light absorption abilities of catalysts and their visible-light-driven photocatalytic activities in comparison with those of pure BiVO4.
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