Moderate temperature synthesis of nanocrystalline Co3O4 via gel hydrothermal oxidation

被引:95
作者
Jiang, Y
Wu, Y
Xie, B
Xie, Y
Qian, YT [1 ]
机构
[1] Univ Sci & Technol China, Dept Chem, Hefei 230026, Anhui, Peoples R China
[2] Univ Sci & Technol China, Struct Res Lab, Hefei 230026, Anhui, Peoples R China
关键词
moderate temperature; nanocrystalline Co3O4; gel; hydrothermal oxidation;
D O I
10.1016/S0254-0584(01)00463-1
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A novel gel hydrothermal oxidation route has been developed for preparation of nanocrystalline Co3O4 through the reaction between Co(OH)(2) gel and hydroperoxide in a hydrothermal system at 180 degreesC. X-ray powder diffraction (XRD) studies indicated that the product was well-crystallized cubic phase Of Co3O4 with a cell constant of a = 8.0722 Angstrom. The transmission electron micrograph (TEM) showed that the product consisted of monodispersive nanoparticles below 4 nm. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:234 / 237
页数:4
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