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- W2388396312 abstract "The pure and V doped TiO2 nanoparticles were prepared by a sol - gel method with Ti(OBu)4 as raw material and characterized by TG- DTA, XRD, TEM, XPS and UV - VIS. The results show that both pure and V doped TiO2 exhibit the similar crystal structure, morphology and particle size with normal commodities P- 25 TiO2. The process of phase transfer from anatase to rutile is promoted by doping V. It is found that the doped V presents mainly in the form of V5+ , accompanying with some accumulation on the surface, and a little amount of V4+ may also present in the material, which took the place of Ti4+ in the lattice of TiOj, forming Ti1 -xVxO2. It can extend the light response of TiO2 nanoparticles to the visible region. In addition, the photocatalytic activities of the prepared samples and the effect of doped V content on the activities were investigated by the photocatalytic degradation of phenol which is in the aquo-solution under artificial sunlight. It is proved that in the experiment condition, the photocatalytic activity of 1 % V(in mole) doped TiO2 nanoparticles is the best of all the prepared samples." @default.
- W2388396312 created "2016-06-24" @default.
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- W2388396312 date "2002-01-01" @default.
- W2388396312 modified "2023-09-24" @default.
- W2388396312 title "PREPARATION AND CHARACTERIZATION OF TiO_2 NANOPARTICLES AND THEIR PHOTOCATALYTIC PERFORMANCE" @default.
- W2388396312 hasPublicationYear "2002" @default.
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