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The nano-sized TiO2 photocatalysts were prepared by sol-gel method and characterized by FTIR spectroscopy, FT-Raman spectroscopy and diffuse reflectance spectroscopy (DRS). Photocatalytic degradation of oleic acid over the TiO2 catalysts was investigated. The result showed that calcination temperature has strong effect on crystal structure, energy band structure, optical adsorption and photocatalytic activity of the TiO2 catalysts. It was found that the TiO2 photocatalyst calcined at 400 degreesC has the best apparent optical adsorption, the biggest band edge position and the highest photoactivity. The effect of calcination temperature on photocatalytic activity of TiO2 catalysts has been ascribed to the changes in structure and optical property of catalyst such as crystal size, content of rutile, residual NO3-, and band-edge position of light adsorption.
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SPECTROSCOPY AND SPECTRAL ANALYSIS
ISSN： 1000-0593
CN： 11-2200/O4
Year： 2001
Issue： 1
Volume： 21
Page： 32-34
0 . 2 5
JCR@2001
0 . 7 0 0
JCR@2023
ESI Discipline： CHEMISTRY;
JCR Journal Grade：4
Cited Count：
WoS CC Cited Count： 9
SCOPUS Cited Count：
ESI Highly Cited Papers on the List： 0 Unfold All
WanFang Cited Count：
Chinese Cited Count：
30 Days PV： 6
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