DOI码：10.1016/j.jhazmat.2008.07.101

所属单位：化学化工学院

教研室：无机教研室

发表刊物：Journal of Hazardous Materials

关键字：Cadmium peroxide；Nanocrystals；Hydrothermal；Photocatalytic activity

摘要：CdO2 nanocrystals with different sizes were synthesized via the hydrothermal reaction of 3CdSO4·8H2O and H2O2 in 1.25–6.25 vol.% ammonia solutions at 100–140 °C for 12 h. The resultant products were characterized by powder X-ray diffraction, transmission electron microscope, thermal gravimetric and differential scanning calorimetry, and UV–vis absorption spectra. It was concluded that the resultant products were pure cubic phase CdO2 nanocrystals, and they would decompose at temperatures higher than 180 °C. In addition, degradation of methyl orange in aqueous solution (20.0 mg/l) was carried out with the CdO2 nanocrystals as photocatalyst under ultraviolet light irradiation. The experimental results showed that even a little amount (0.2 g) of as-prepared CdO2 nanocrystals could catalyze degradation of 500 ml methyl orange solution above 99% after 5 h of illumination, and smaller size made for higher photocatalytic activity of CdO2 nanocrystals.

论文类型：Research Atricle

论文编号：https://doi.org/10.1016/j.jhazmat.2008.07.101

学科门类：理学

一级学科：化学

文献类型：journal Article

卷号：163

期号：2-3

页面范围：1310-1314

是否译文：否

发表时间：2009-04-30

收录刊物：SCI

发布期刊链接：https://doi.org/10.1016/j.jhazmat.2008.07.101