Adsorption and Photocatalysis of Spherical TiO2 Particles Prepared by Hydrothermal Reaction
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TiO2 spherical particles were prepared using hydrothermal reaction at different temperatures of 110, 150 and 190℃ for 5 h. The TiO2 samples were characterized by BET, XRD and SEM analysis. Specific surface areas and particle sizes are in the range of 148 ~ 240 m2g-1 and 323 - 450 nm, composed of tiny nanoparticles with size of 5 ~ 7 nm. It was found that photocatalytic degradation of methylene blue is highly sensitive to particle sizes on the adsorption and photocatalysis.
Abstract
TiO2 spherical particles were prepared using hydrothermal reaction at different temperatures of 110, 150 and 190℃ for 5 h. The TiO2 samples were characterized by BET, XRD and SEM analysis. Specific surface areas and particle sizes are in the range of 148 ~ 240 m2g-1 and 323 - 450 nm, composed of tiny nanoparticles with size of 5 ~ 7 nm. It was found that photocatalytic degradation of methylene blue is highly sensitive to particle sizes on the adsorption and photocatalysis.
참고문헌 (8)
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