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Citation: LI Xiao-Hong, YAN Yiu-Ru, ZHANG Yue-Ping, HUO Ming-Liang, GUO Wei-Wei. Preparation of TiO₂/SnO₂ and Photocatalytic Degradation of Dichlorvos over It[J]. Chinese Journal of Applied Chemistry, ;2001, 18(1): 32-35. shu

Preparation of TiO₂/SnO₂ and Photocatalytic Degradation of Dichlorvos over It

1.
Department of Chemistry, Tianjin University, Tianjin 300072

Received Date: 10 April 2000
Available Online: 19 July 2000
Fund Project: 天津市自然科学基金资助课题(973606711) (973606711)

Nanoparticles of SnO₂ coated with TiO₂ have been prepared from Ti(OC₄H₉)₄ and SnCl₄·5H₂O as precursors by an activated surface method. Their morphology and structures were investigated by IR, XRD, TEM and BET. The results indicated the nanometer TiO₂/SnO₂ was composed of anatase TiO₂ and rutile SnO₂. The TiO₂/SnO₂ showed a better catalytic activity than SnO₂ and TiO₂ alone in photocatalytic degradation of dichlorvos.
- TiO₂/SnO₂,
- coated catalyst,
- photocatalytic degradation,
- dichlorvos
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Preparation of TiO₂/SnO₂ and Photocatalytic Degradation of Dichlorvos over It