Photocatalytic degradation of water-soluble dyes by LaCoO3

被引：0
|
作者：
Fu, XX [1 ]
Yang, QH [1 ]
Wang, JZ [1 ]
Bai, SL [1 ]
Sang, LX [1 ]
机构：
[1] Tianjin Univ, Sch Sci, Tianjin 300072, Peoples R China
来源：
JOURNAL OF RARE EARTHS | 2003年 / 21卷 / 04期
关键词：
catalytic chemistry; water-soluble dye; perovskite-type LaCoO3; photocatalytic degradation; rare earths;
D O I：
暂无
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Perovskite-type oxides LaCoO3 was prepared by citrate method in granula of 20 similar to 30 nm. Using a fluorescent Hg lamp or sunlight as irradiator, the degradation experiments of various water-soluble dyes were carried out in the suspension system of LaCoO3. The results show that the perovskite-type oxide LaCoO3 has good photocatalytic activity. With the study of X-ray photoelectron spectroscopy and photoacoustic spectra, its photocatalytic activity is mainly related with the factors such as the d-electron structure of ion Co3+, Co-O binding energy and adsorbed oxygen on the surface etc.
引用
收藏
页码：424 / 426
页数：3
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