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http://dx.doi.org/10.4191/KCERS.2009.46.6.621

Preparation and Characterization and Visible Light Photocatalytic Activity of Fe-Treated AC/TiO2 Composites for Methylene Blue  

Meng, Za-Da (Department of Advanced Materials & Science Engineering, Hanseo University)
Zhang, Kan (Department of Advanced Materials & Science Engineering, Hanseo University)
Oh, Won-Chun (Department of Advanced Materials & Science Engineering, Hanseo University)
Publication Information
Journal of the Korean Ceramic Society / v.46, no.6, 2009 , pp. 621-626 More about this Journal
Abstract
Fe-AC/Ti$O_2$ photocatalysts were prepared by a sol-gel method. The photocatalytic properties of Fe-AC/Ti$O_2$ photocatalysts for the purification of water have been investigated. The samples were characterized by scanning electron microscopy (SEM), specific surface area (BET), X-ray diffraction analysis (XRD), and energy dispersive X-ray spectroscopy (EDX). The photocatalytic activities were evaluated by the photocatalytic oxidation of methylene blue (MB) solution. It was found that the prepared Fe-AC/Ti$O_2$ composites have an excellent photocatalytic under visible light irradiation. A small amount of Fe ions in the AC/Ti$O_2$ composites could obviously enhance their photocatalytic activity. The high activities of the Fe-AC/Ti$O_2$ composites could be attributed to the results of the synergetic effects of the enhancement of the Fe element, the photocatalytic activity of Ti$O_2$, and the adsorption of AC.
Keywords
Activated carbon; TiO$_2$; Visible light; SEM; Methylene blue;
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