Photocatalytic Activity of W Doped Ta2O5 Particles for Methylene Blue Degradation under UV-Light

Abstract:

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Tungsten doped tantalum oxide (W-Ta2O5) particles were synthesized by a low temperature hydrothermal method. The phase structure of W-Ta2O5 particles was characterized by X-ray diffraction (XRD). The XRD results indicated that the samples belonged to orthorhombic crystal. The photocatalytic activity of samples was investigated with degradation methylene blue (MB) under ultraviolet light. The degradation efficiency of MB under the catalysis of W-Ta2O5 particles attained 91% when the reaction time was 7 h. The kinetics of MB degradation was respect to the first-order in the presence of the photocatalysts.

Info:

Periodical:

Advanced Materials Research (Volumes 197-198)

Edited by:

Huaiying Zhou, Tianlong Gu, Daoguo Yang, Zhengyi Jiang, Jianmin Zeng

Pages:

281-284

DOI:

10.4028/www.scientific.net/AMR.197-198.281

Citation:

Y. H. Zhao et al., "Photocatalytic Activity of W Doped Ta2O5 Particles for Methylene Blue Degradation under UV-Light", Advanced Materials Research, Vols. 197-198, pp. 281-284, 2011

Online since:

February 2011

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$35.00

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