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Citation: YAN Xiu-Ru, SONG Kuan-Xiu, HUO Ming-Liang, FU Xian-Song, XIN Chun-Wei. Preparation and Photocatalytic Degradation Activity of Nanometer SnO₂[J]. Chinese Journal of Applied Chemistry, ;2002, 19(8): 750-753. shu

Preparation and Photocatalytic Degradation Activity of Nanometer SnO₂

1.
Department of Chemistry, Tianjin University, Tianjin 300072

Corresponding author: YAN Xiu-Ru,
Received Date: 5 December 2001
Available Online: 14 May 2002
Fund Project: 天津市自然科学基金资助项目(973606711) (973606711)

Nanometer SnO₂ particles have been prepared from SnCl₄·5H₂O by precipitation and followed by calcination. The structure and morphology of the product were characterized by IR, XRD, SEM, TEM and BET techniques. The results indicated the products were rutile SnO₂ with average particle size of 8 nm, specific surface of 54.186 m²/g. At the preparation conditions:c(SnCl₄)=5.7×10^-2mol/L, pH=5.0, hydrolysis temperature 3℃, and calcination temperature 680℃, the sample with best photocatalytic degradation activity was obtained. The degradation degree of dimethyldichlorovinyl phosphate(DDVP) reached 18.32% after 30 min illumination in the presence of nanometer SnO₂.
- SnO₂,
- nanometer particle,
- photocatalytic degradation activity
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Preparation and Photocatalytic Degradation Activity of Nanometer SnO₂