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Citation: XU Zi-Li, XUE Bao-Yong, YANG Qiu-Jing, XIE Chao, ZHANG Jian-Bao, DU Yao-Guo. Preparation of TiO₂-SnO₂ Nanoparticles and Their Photocatalytic Activity in Heptane Degradation[J]. Chinese Journal of Applied Chemistry, ;2004, 21(10): 980-984. shu

Preparation of TiO₂-SnO₂ Nanoparticles and Their Photocatalytic Activity in Heptane Degradation

1.
College of Enviro nmentand Resources, Jilin University, Changchun 130023

Corresponding author: XU Zi-Li,
Received Date: 5 December 2003
Available Online: 28 February 2004
Fund Project: 国家自然科学基金资助项目(20277015) (20277015)

TiO₂-SnO₂ nanoparticles were prepared by sol-gel method. XRD, IR and XPS were used to characterize the nanoparticles. The photocatalytic oxidation of heptane was used as model reaction to measure the photocatalytic activity of the TiO₂-SnO₂ nanoparticles. The particle size of TiO₂-SnO₂ increases from 10.0 nm to 34.2 nm as the calcination temperature increases and the structure changes from anatase to rutile at 500~600℃. At the same time, the photocatalytic activity in heptane degradation is decreased. The particles with n(Sn)/n(Ti)=0.06, afford the best photocatalytic activity.
- TiO₂-SnO₂,
- sol-gel processing,
- heptane,
- photocataylytic degradation
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Preparation of TiO₂-SnO₂ Nanoparticles and Their Photocatalytic Activity in Heptane Degradation