Journal
MATERIALS LETTERS
Volume 62, Issue 26, Pages 4204-4206Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2008.06.026
Keywords
N,S-doped TiO2; photocatalyst; nanostructured; sol-gel and decolourisation
Funding
- Ministry of High Education, Scientific Research and Technology
- Tunisia-Greece project [68/TG/05]
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A series of N, S-substituted Titanium (IV) (diisopropoxide) bis (2,4-pentadionate) precursor were synthesized by the sol-gel method. The obtained solids were calcined at 550 degrees C for two hours to obtain photoactive phases. A thermogravimetric analysis of the solid precipitates shows that crystallization has been almost completed at this value of calcination temperature. The samples were characterized by X-Ray diffraction (XRD), determination of the BET specific surface area and UV-Vis diffuse reflectance spectroscopy. The photocatalytic activity of the obtained catalyst was estimated on a basis of decolouration of Congo red dye under near visible light. (D 2008 Published by Elsevier B.V.
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