Preparation of nanostructured CeO2 coated TiO2

被引：22

作者：

Zhang, M ^{[1
]}

Wang, X ^{[1
]}

Wang, F ^{[1
]}

Li, W ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, Dept Chem Phys, Beijing 100083, Peoples R China

来源：

MATERIALS SCIENCE AND TECHNOLOGY | 2002年 / 18卷 / 03期

关键词：

D O I：

10.1179/026708302225001831

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The synthesis of nanostructured TiO2 and nanostructured CeO2 coated TiO2 has been investigated. On the basis of the synthesis of nano-TiO2, nano-CeO2 coated TiO2 was prepared by use of sol-gel technology. X-ray diffraction, TEM, and high resolution electron microscopy were employed to analyse the characteristics and microstructures of the synthesised materials. The TEM analysis indicated that nano-CeO2 coated TiO2 is formed of agglomerated particles with an average size of 70 nm with the TiO2 located at the centre surrounded by nanostructured CeO2 polycrystals. Owing to the catalytic effect of nano-CeO2, the oxygen sensitivity of nano-CeO2 coated TiO2 was better than that of pure nano-TiO2. MST/4922.

引用

页码：345 / 348

页数：4

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