稀土学报(英文版)
稀土學報(英文版)
희토학보(영문판)
JOURNAL OF RARE EARTHS
2003年
4期
424-426
,共3页
傅希贤%杨秋华%王俊珍%白树林%桑丽霞
傅希賢%楊鞦華%王俊珍%白樹林%桑麗霞
부희현%양추화%왕준진%백수림%상려하
catalytic chemistry%water-soluble dye%perovskite-type LaCoO3%photocatalytic degradation%rare earths
Perovskite-type oxides LaCoO3 was prepared by citrate method in granula of 20～30 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.
