Effect of W doping level on TiO 2 on the photocatalytic degradation of Diuron

Effect of W doping level on TiO 2 on the photocatalytic degradation of Diuron

In the present study, three compositions of W-doped titania nano-photocatalyst are synthesized via the sol-gel method. The powders obtained were characterized by X-ray diffraction, Raman spectroscopy and UV-visible diffuse reflectance spectroscopy. The photocatalytic performances of the different ph...

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Bibliographic Details
Published in:Water science and technology Vol. 75; no. 1-2; p. 20
Main Authors: Foura, Ghania, Soualah, Ahcène, Robert, Didier
Format: Journal Article
Language:English
Published: England 01-01-2017
Subjects:
Catalysis
Diuron - chemistry
Light
Photochemical Processes
Powders
Titanium - chemistry
Tungsten - chemistry
Water Pollutants, Chemical - chemistry
X-Ray Diffraction
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Summary:In the present study, three compositions of W-doped titania nano-photocatalyst are synthesized via the sol-gel method. The powders obtained were characterized by X-ray diffraction, Raman spectroscopy and UV-visible diffuse reflectance spectroscopy. The photocatalytic performances of the different photocatalysts are tested with respect to the degradation of Diuron in water solutions under simulated solar light and visible light irradiation. The W Ti O catalyst exhibits better photoactivity than the pure TiO even under simulated solar light and visible light. This improvement in activity was attributed to photoelectron/hole separation efficiency.
ISSN:0273-1223