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http://dx.doi.org/10.4191/KCERS.2010.47.5.433

Photonic Aspects of MB Degradation on Fe-carbon/TiO2 Composites under UV Light Irradiation  

Zhang, Kan (Department of Advanced Materials & Science Engineering, Hanseo University)
Meng, Ze-Da (Department of Advanced Materials & Science Engineering, Hanseo University)
Oh, Won-Chun (Department of Advanced Materials & Science Engineering, Hanseo University)
Publication Information
Abstract
Fe-carbon/$TiO_2$ composites were prepared by a sol-gel method using AC, ACF, CNT and $C_{60}$ as carbon precursors and were characterized by means of BET surface area, X-ray diffraction (XRD), scanning electron microscopy (SEM), Transmission Electron Microscopy (TEM) and energy dispersive X-ray spectroscopy (EDX). The activity of the prepared photocatalysts was investigated by degradation reaction of methylene blue (MB) irradiated with UV lamp. Effects of different carbon sources and irradiation time on photocatalytic activity were also investigated. The results showed that the photocatalytic activity of the Fe-carbon/$TiO_2$ composites was much higher than that of pristine $TiO_2$ and Fe/$TiO_2$ composites. The prominent photocatalytic activity of Fecarbon/$TiO_2$ composites could be attributed to both the effects of photo-adsorption and electron transfer by carbon substrate. In addition, the higher photocatalytic activity of Fe-carbon/$TiO_2$ composites can be compared with that of carbon/$TiO_2$ and Fe /$TiO_2$ composites due to cooperative effects between Fe and carbon.
Keywords
Fe-carbon/$TiO_2$ composites; Photocatalytic activity; Photo-Fenton; MB;
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Times Cited By KSCI : 6  (Citation Analysis)
Times Cited By SCOPUS : 0
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