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Citation: NIU Xin-Shu, XU Ya-Jie, SUN Rui-Xia, ZHENG Li-Qing, JIANG Kai. Preparation and Polymorphic Transition of Nanosized Y-doped TiO₂[J]. Chinese Journal of Applied Chemistry, ;2002, 19(9): 898-901. shu

Preparation and Polymorphic Transition of Nanosized Y-doped TiO₂

1.
College of Chemistry & Environmental Science, He'nan Normal University, Key Laboratory of Environmental Science and Engineering Education Commission of He'nan Province, Xinxiang 453002

Corresponding author: NIU Xin-Shu,
Received Date: 5 February 2002
Available Online: 14 June 2002
Fund Project: 河南省杰出青年科学基金(0012) (0012)河南省自然科学基金(004030300)资助课题 (004030300)

Nanosized TiO₂ and Y-doped TiO₂ were synthesized from Ti(OC₄H₉)₄ and Y(NO₃)₃ by a sol-gel method. The structure, size, appearance, and the polymorphic transition between anatase and rutile of TiO₂ crystal types were examined by XRD, TEM, TG-DTA. The results indicate the average particle size of TiO₂ crystal is about 30 nm and the doped Y prevents the transition of TiO₂ from anatase to rutile.
- nanosized TiO₂,
- sol-gel method,
- anatase,
- rutile
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Preparation and Polymorphic Transition of Nanosized Y-doped TiO2

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通讯作者: 陈斌, bchen63@163.com

Preparation and Polymorphic Transition of Nanosized Y-doped TiO₂