Fabrication of V-Doped TiO2 Nanoparticles and Photocatalytic Studies under Visible Light

Jun Bo Guo; Zhang Hua Gan; Jing Liu; Zhi Hong Lu

doi:10.4028/www.scientific.net/AMR.634-638.2180

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 634-638Fabrication of V-Doped TiO2 Nanoparticles and...

Fabrication of V-Doped TiO₂ Nanoparticles and Photocatalytic Studies under Visible Light

Abstract:

The V-doped TiO2 nanoparticles were successfully prepared by sol-gel method and characterized by X-ray diffraction (XRD), UV-vis spectroscopy and photoluminescence (PL) spectroscopy respectively. It is found that doping V can shift the absorption edge to the visible light region and decrease the recombination of photo-induced electron-hole pairs. Then the photo-absorption and photocatalytic activity were greatly improved. The optimal doping concentration is 0.5% due to synergetic effect of the recombination of electron-hole pairs and adsorption of dyes molecules at the surface of samples.

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Periodical:

Advanced Materials Research (Volumes 634-638)

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2180-2183

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.634-638.2180

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Online since:

January 2013

Authors:

Jun Bo Guo, Zhang Hua Gan, Jing Liu, Zhi Hong Lu

Keywords:

Photo-Absorption, Photocatalytic Activity, Recombination, V-Doped TiO₂

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