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The photocatalytic efficiency of a thin-film TiO2-coated nanostructured template is studied by dye degradation in water. The nanostructured template was synthesized by metal-assisted wet etching of Si and used as substrate for the deposition of a thin film of TiO2 (10 nm thick) by atomic layer deposition. A complete structural characterization was made by scanning and transmission electron microscopies. The significant photocatalytic performance was evaluated by the degradation of two dyes in water: methylene blue and methyl orange. The relevance of the reported results is discussed, opening the route toward the application of the synthesized nanostructured TiO2 for water purification.
Publication date: 
1 Dec 2014

Viviana Scuderi, Giuliana Impellizzeri, Lucia Romano, Mario Scuderi, Giuseppe Nicotra, Kristin Bergum, Alessia Irrera, Bengt G Svensson, Vittorio Privitera

Biblio References: 
Volume: 9 Issue: 1 Pages: 1-7
Nanoscale research letters