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Fullerenes, Nanotubes and Carbon Nanostructures Volume 19, 2011 - Issue 6
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Original Articles

Photoelectrocatalytic Degradation of Methylene Blue Over M-CNT/TiO2 (M=Y, Ag, and Pt) Composite Electrodes

Feng-Jun Zhang Anhui Key Laboratory of Advanced Building Materials, Anhui University of Architecture, Anhui Hefei, China; Department of Advanced Materials & Science Engineering, Hanseo University, Chungnam, Korea
,
Won-Chun Oh Department of Advanced Materials & Science Engineering, Hanseo University, Chungnam, KoreaCorrespondence[email protected]
,
Jong-Geun Choi Department of Advanced Materials & Science Engineering, Hanseo University, Chungnam, Korea
,
Kan Zhang Department of Advanced Materials & Science Engineering, Hanseo University, Chungnam, Korea
,
Ze-Da Meng Department of Advanced Materials & Science Engineering, Hanseo University, Chungnam, Korea
&
Ming-Liang Chen Department of Advanced Materials & Science Engineering, Hanseo University, Chungnam, Korea
Pages 564-574 | Published online: 31 May 2011
 
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Abstract

In this study, carbon nanotubes modified with different metal ions (M=Y, Ag and Pt) were employed for the fabrication of M-CNT/TiO2 electrodes. The fabricated electrodes were characterized by X-ray diffraction, scanning electron microscopy and energy dispersive X-ray and photoelectrocatalytic activity. It was found that the photoelectrocatalytic degradation efficiencies of methylene blue solution over M-CNT/TiO2 electrodes were better than that of nonmetal ion-treated CNT/TiO2 electrodes. In comparison of the three M-CNT/TiO2 composites, the photoelectrocatalytic degradation efficiency (76%) of Ag-CNT/TiO2 for MB solution was the best results under visible light.

Acknowledgment

This work was supported by Natural Science Project (KJ 2010B047) from the Education Department of Anhui Province in China in 2010.

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