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Vol. 25 No. 16 (2013): Vol 25 Issue 16

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Nano-sized Fe-Metal Catalyst on TiO2-SiO2: (Photo-assisted Deposition and Impregnation) Synthesis Routes and Nanostructure Characterization

https://doi.org/10.14233/ajchem.2013.14894
R.M. Mohamed
Chemistry Department, Faculty of Science, King Abdul Aziz University, Jeddah, Kingdom of Saudi Arabia ; Nanostructured Material Division Advanced Materials Department, Central Metallurgical R&D Institute, Helwan 11421, Cairo, Egypt
Elham S. Aazam
Chemistry Department, Faculty of Science, King Abdul Aziz University, Jeddah, Kingdom of Saudi Arabia

Corresponding Author(s) : R.M. Mohamed

redama123@yahoo.com

Asian Journal of Chemistry, Vol. 25 No. 16 (2013): Vol 25 Issue 16

Abstract

The photo-assisted deposition and impregnation synthesis of nano-sized Fe 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 Fe-TiO2-SiO2 catalysts under visible-light condition on the reduction of Hg2+ to Hg0 was evaluated. The results have shown notable photocatalytic activity of photo-assisted deposition of Fe/TiO2-SiO2 which was 2 and 10 times higher than that of impregnation synthesis of Fe/TiO2-SiO2 and TiO2-SiO2, respectively.

Keywords

Visible photocatalyst Fe-doped titania-silica Hg2
Mohamed, R., & S. Aazam, E. (2013). Nano-sized Fe-Metal Catalyst on TiO2-SiO2: (Photo-assisted Deposition and Impregnation) Synthesis Routes and Nanostructure Characterization. Asian Journal of Chemistry, 25(16), 8887–8891. https://doi.org/10.14233/ajchem.2013.14894
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