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

页码：424 / 426

页数：3

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