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J. Korean Ceram. Soc. > Volume 48(4); 2011 > Article
Journal of the Korean Ceramic Society 2011;48(4): 282.
doi: https://doi.org/10.4191/kcers.2011.48.4.282
Effect of ACF and WO3 from ACF/WO3/TiO2 Composite Catalysts on the Photocatalytic Degradation of MO Under Visible Light
Ze-Da Meng, Da-Ye Song, Lei Zhu, Chong-Yeon Park, Jong-Geun Choi, Won-Chun Oh
Department of Advanced Materials Science & Engineering, Hanseo University
ACF and $WO_3$ modified $TiO_2$ composites (ACF/$WO_3$/$TiO_2$) were prepared using a sol-gel method. The composites were characterized by Brunauer.Emmett.Teller (BET) surface area measurements, X-ray diffraction (XRD), energy dispersive X-ray (EDX) analysis and scanning electron microscope (SEM) analysis. A methyl orange (MO) solution under visible light irradiation was used to determine the photocatalytic activity. The degradation of the MO was determined using UV/Vis spectrophotometry. An increase in photocatalytic activity was observed and attributed to an increase of the photo-absorption effect by the $WO_3$ and the cooperative effect of the ACF.
Key words: $WO_3$, ACF, MO, Visible light, Photocatalytic
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