Effect of Doped Sulfur on the Photocatalytic Property of Nano-TiO2Report as inadecuate




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Sulfur-doped TiO2 nano particles were prepared by acid catalyzed sol-gel method. By changing the doped content of sulfur and sintering temperature, we got nano-TiO2 under different conditions. XRD and TEM results indicate that sulfur-doped TiO2 is about 20nm. The UV-visible spectrophotometer is applied to measure the absorbance of methyl orange before and after light exposure. The results show that when S-Ti is 1.75, we can get optimum photocatalytic activity of S-doped TiO2 at 500℃.

KEYWORDS

TiO2; Sulfur; Photocatalytic activity; methyl orange

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Author: Tao Ma, Yan He

Source: http://www.scirp.org/



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