EPJ Web of Conferences
Volume 29, 2012EMM-FM2011 – First Euro Mediterranean Meeting on Functionalized Materials
|Number of page(s)
|18 June 2012
TiO2-ITO and TiO2-ZnO nanocomposites: application on water treatment
Photovoltaic Laboratory, Research and Technology Centre of Energy
2 Treatment & Water Recycling Laboratory, Research and Technology Centre of Water Borj-Cedria Science and Technology Park, BP 95, 2050 Hammam-Lif, Tunisia
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One of the most promising ideas to enhance the photocatalytic efficiency of the TiO2 is to couple this photocatalyst with other semiconductors. In this work, we report on the development of photo-catalytic properties of two types of composites based on TiO2 – ITO (Indium Tin Oxide) and TiO2 – ZnO deposited on conventional ceramic substrates. The samples were characterized by X-ray diffraction (XRD) and transmission Electron Microscopy (TEM). The photo-catalytic test was carried out under UV light in order to reduce/oxidize a typical textile dye (Cibacron Yellow). The experiment was carried out in a bench scale reactor using a solution having a known initial dye concentration. After optimization, we found that both nanocomposites exhibit better photocatalytic activity compared to the standard photocatalyst P25 TiO2.
© Owned by the authors, published by EDP Sciences, 2012
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