期刊
INTERNATIONAL JOURNAL OF NANOSCIENCE
卷 9, 期 6, 页码 579-583出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0219581X10007290
关键词
Titanium dioxide; photocatalysis; nanocomposite; platinum
资金
- Center of Excellence in Nanotechnology (CENT)
- King Fahd University of Petroleum and Minerals (KFUPM)
- KFUPM
The present article describes the synthesis of platinized TiO2 nanocomposite and its photocatalytic activity. The surface modification of the catalyst was carried out by platinum metals adopting a modified photo-deposition method. The effect of platinum loadings, such as 0.5, 1.0, 1.5, 2.0, and 2.5 wt% on the photocatalytic activity of TiO2 has been studied. The study showed that the activity of TiO2 can be significantly enhanced by depositing an optimum concentration of platinum metals that help to prevent the electron hole-pair recombination which is a major energy wasting step in photocatalysis. The photocatalytic effciency of various samples was tested by studying the photo-oxidation of a dye namely Methyl Orange as probe reaction.
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