Photocatalytic Properties of WO sub(3) Particles with Different Grain Sizes

WO sub(3) particles with different grain sizes were prepared by a thermal evaporation method. The composition, morphology, and optical properties of the samples were analyzed by powder X-ray diffraction, scanning electron microscopy, and UV-vis absorption and photoluminescence spectroscopy. Their ph...

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Bibliographic Details
Published in:Key Engineering Materials 2016-07, Vol.697, p.284-287
Main Authors: Shen, Zhen Guang, Peng, Zhi Jian, Qian, Jing Wen, Fu, Xiu Li
Format: Article
Language:English
Subjects:
Absorption
Diffraction
Evaporation
Grain size
Methylene blue
Optical properties
Photocatalysis
Tungsten oxides
Online Access:Get full text
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Summary:WO sub(3) particles with different grain sizes were prepared by a thermal evaporation method. The composition, morphology, and optical properties of the samples were analyzed by powder X-ray diffraction, scanning electron microscopy, and UV-vis absorption and photoluminescence spectroscopy. Their photocatalytic properties were evaluated by decomposing methylene blue in aqueous phase. It was found that the smaller the grain size of the prepared WO sub(3) particles, the better the degradation effect on methylene blue.
ISSN:1013-9826
1662-9795
DOI:10.4028/www.scientific.net/KEM.697.284