Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Effect of AC and Cu2O from Cu/Cu2O-AC/TiO2 Composite Catalysts on the Photocatalytic Degradation of MO Under Visible Light

  • Meng, Ze-Da (Department of Advanced Materials Science & Engineering, Hanseo University) ;
  • Ghosh, Trisha (Department of Advanced Materials Science & Engineering, Hanseo University) ;
  • Cho, Jung-Hwan (Department of Advanced Materials Science & Engineering, Hanseo University) ;
  • Zhu, Lei (Department of Advanced Materials Science & Engineering, Hanseo University) ;
  • Park, Chong-Yeon (Department of Advanced Materials Science & Engineering, Hanseo University) ;
  • Choi, Jong-Geun (Department of Advanced Materials Science & Engineering, Hanseo University) ;
  • Oh, Won-Chun (Department of Advanced Materials Science & Engineering, Hanseo University)
  • Received : 2011.09.10
  • Accepted : 2011.10.22
  • Published : 2011.11.30
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Abstract

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.

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