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Melian E.P.,Centro Instrumental Fisicoquimico Para El Desarrollo Of Investigacion Aplicada Cidia Feam | Diaz O.G.,Centro Instrumental Fisicoquimico Para El Desarrollo Of Investigacion Aplicada Cidia Feam | Mendez A.O.,Centro Instrumental Fisicoquimico Para El Desarrollo Of Investigacion Aplicada Cidia Feam | Lopez C.R.,Centro Instrumental Fisicoquimico Para El Desarrollo Of Investigacion Aplicada Cidia Feam | And 5 more authors.
International Journal of Hydrogen Energy | Year: 2013

TiO2-based photocatalyst materials were synthesized through a solegel method, followed either by: (1) hydrothermal treatment (150 °C/24 h), or (2) heat treatment (calcination) in a temperature range between 400 and 900 °C. The resulting materials were characterized through BET, XRD, TEM, FTIR, RAMAN, laser diffraction and UV-Vis Diffuse Reflectance Spectroscopy. Photoactivity of the various materials was checked against photocatalytic water-splitting for hydrogen production and a relationship between TiO 2 structure and hydrogen production capacity was identified. Optimum results were obtained for anataserutile mixtures in a ratio of 87:13. The activity of the home-made photocatalysts was also compared (under the same conditions) with the best commercially available materials which have been widely described in the literature: Hombikat UV100, Millenium PC100, Kronos vlp 7000, Degussa P25 and Kemira 625. Copyright © 2012, Hydrogen Energy Publications, LLC. Source

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