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J. Korean Ceram. Soc. > Volume 48(6); 2011 > Article
Journal of the Korean Ceramic Society 2011;48(6): 571.
doi: https://doi.org/10.4191/kcers.2011.48.6.571
Effect of AC and Cu2O from Cu/Cu2O-AC/TiO2 Composite Catalysts on the Photocatalytic Degradation of MO Under Visible Light
Ze-Da Meng, Trisha Ghosh, Jung-Hwan Cho, Lei Zhu, Chong-Yeon Park, Jong-Geun Choi, Won-Chun Oh
Department of Advanced Materials Science & Engineering, Hanseo University
Activity carbon (AC), Cu and $Cu_2O$ modified $TiO_2$ composites (Cu/$Cu_2O$-AC/$TiO_2$) were prepared using a sol-gel method. The characteristics of the composites were evaluated using 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 MO was determined using UV/Vis spectrophotometry. $Cu_2O$, Cu and the cooperative effect of the AC increased the photo-absorption effect, thus increasing in photocatalytic activity.
Key words: $Cu_2O$, AC, MO, Visible light, Photocatalytic
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