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http://dx.doi.org/10.4191/KCERS.2008.45.1.036

Photocatalytic Oxidation for Organic Dye using Phenol Resin-based Carbon-titania Composites  

Oh, Won-Chun (Department of Advanced Materials & Science Engineering, Hanseo University)
Na, Yu-Ri (Department of Advanced Materials & Science Engineering, Hanseo University)
Publication Information
Journal of the Korean Ceramic Society / v.45, no.1, 2008 , pp. 36-42 More about this Journal
Abstract
Carbon/$TiO_2$ composite photocatalysts were thermally synthesized with different mixing ratios of anatase to phenol resin through an ethanol solvent dissolving method. The XRD patterns revealed that only anatase phase can be identified for Carbon/$TiO_2$ composites. The diffraction peaks of carbon were not observed, however, due to the low carbon content on the $TiO_2$ surfaces and the low crystallinity of amorphous carbon. The results of chemical elemental analyses of the Carbon/$TiO_2$ composites showed that most of the spectra for these samples gave stronger peaks for carbon and Ti metal than that of any other elements. The BET surface area increases to the maximum value of $488\;m^2/g$ with the area depending on the amount of phenol resin. From the SEM images, small $TiO_2$ particles were homogeneously distributed to a composite cluster with the porosity of phenol resin-based carbon. From the photocatalytic results, the MB degradation should be attributed to the three kinds of synergetic effects, such as photocatalysis, adsorptivity, and electron transfer by light absorption between supporter $TiO_2$ and carbon.
Keywords
Carbon; Titanium dioxide; XRD; SEM; EDX; Photocatalysis;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By SCOPUS : 5
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