Nano Archive

Characterization and catalytic properties of nano-sized Pt metal catalyst on TiO2-SiO2 synthesized by photo-assisted deposition and impregnation methods

Mohamed, R. M. (2009) Characterization and catalytic properties of nano-sized Pt metal catalyst on TiO2-SiO2 synthesized by photo-assisted deposition and impregnation methods. Journal of Materials Processing Technology, 209 (1). 577 - 583.

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Official URL: http://www.sciencedirect.com/science/article/B6TGJ...

Abstract

The photo-assisted deposition (PAD) and impregnation (img) syntheses of nano-sized Pt metal on TiO2-SiO2 are reported. The prepared catalysts were characterized by different techniques such as XRD, XAFS, TEM and nitrogen adsorption analysis. Photocatalytic reactivity using Pt-TiO2-SiO2 catalysts under visible-light condition for the oxidation of 2-propanol was evaluated. The results showed a notable photocatalytic activity of PAD-Pt-TiO2-SiO2 which was 1.5 and 4.7 times higher than that of imp-Pt-TiO2-SiO2 and TiO2-SiO2, respectively. Furthermore, PAD-Pt-TiO2-SiO2 catalysts exhibit a better catalytic property for hydrogenation of nitrobenzene, compared to the catalysts prepared by impregnation method.

Item Type:Article
Uncontrolled Keywords:Nanomaterials; Catalysis; Pt-doped titania-silica
Subjects:Material Science > Nanochemistry
Material Science > Nanostructured materials
ID Code:3978
Deposited By:SPI
Deposited On:06 Apr 2009 10:49
Last Modified:06 Apr 2009 10:49

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