CuO/ZnO coupled oxide films were electrodeposited onto an aluminum substrate and tested as photocatalysts in degradation of phenol molecules in aqueous solution under sunlight. The obtained films were characterized by X-ray diffraction, scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS). The results showed that the photocatalytic activity of films was significant, especially to coupled oxide film with a CuO/ZnO ratio equal to 0.697, which presented about 70% degradation of the aromatic molecules and 42% of total organic carbon (TOC) removal at 300 min under solar irradiation. Therefore, this work highlights the potential application of CuO/ZnO coupled oxide films obtained by electrodeposition onto aluminum substrate in the field of photocatalysis.
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Research Article|
September 01 2013
CuO/ZnO coupled oxide films obtained by the electrodeposition technique and their photocatalytic activity in phenol degradation under solar irradiation
Diego S. Paz;
Diego S. Paz
1Department of Chemical Engineering, Federal University of Santa Maria, 97105-900, Santa Maria, Brazil
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Edson L. Foletto;
1Department of Chemical Engineering, Federal University of Santa Maria, 97105-900, Santa Maria, Brazil
E-mail: [email protected]
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Daniel A. Bertuol;
Daniel A. Bertuol
1Department of Chemical Engineering, Federal University of Santa Maria, 97105-900, Santa Maria, Brazil
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Sérgio L. Jahn;
Sérgio L. Jahn
1Department of Chemical Engineering, Federal University of Santa Maria, 97105-900, Santa Maria, Brazil
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Gabriela C. Collazzo;
Gabriela C. Collazzo
2Department of Chemical Engineering and Food Engineering, Federal University of Santa Catarina, 88040-900, Florianópolis, Brazil
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Syllos S. da Silva;
Syllos S. da Silva
3Department of Chemical Engineering, Federal University of Rio Grande do Norte, 59066-800, Natal, Brazil
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Osvaldo Chiavone-Filho;
Osvaldo Chiavone-Filho
3Department of Chemical Engineering, Federal University of Rio Grande do Norte, 59066-800, Natal, Brazil
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Claudio A. O. do Nascimento
Claudio A. O. do Nascimento
4Department of Chemical Engineering, University of São Paulo, 05508-900, São Paulo, Brazil
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Water Sci Technol (2013) 68 (5): 1031–1036.
Article history
Received:
March 14 2013
Accepted:
April 17 2013
Citation
Diego S. Paz, Edson L. Foletto, Daniel A. Bertuol, Sérgio L. Jahn, Gabriela C. Collazzo, Syllos S. da Silva, Osvaldo Chiavone-Filho, Claudio A. O. do Nascimento; CuO/ZnO coupled oxide films obtained by the electrodeposition technique and their photocatalytic activity in phenol degradation under solar irradiation. Water Sci Technol 1 September 2013; 68 (5): 1031–1036. doi: https://doi.org/10.2166/wst.2013.345
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