感光科学与光化学2001，Vol.19Issue(2)：88-95,8.
TiO2*Al2O3／beads光活性的研究
A STUDY ON THE PHOTOACTIVITY OF TiO2·Al2O3／beads
张新荣 1杨平 2赵梦月2
作者信息
- 1. 哈尔滨工业大学应用化学系,
- 2. 郑州工业大学化工学院,
- 折叠
摘要
Abstract
The composite photocatalysts of TiO2·Al2O3 attached to the hollow glass microbeads were prepared by a Sol-gel technique. The photocatalyst was characterized by XRD, TEM, SEM and nitrogen adsorption, and the catalyst's photoactivity was evaluated by the photodegradation of a organophosphorous pesticide DDW. The results show that the photocatalytic activity is affected by the mole ratio of the composite photocatalysts. The best photocatalyst among those studied 13 the one which has a mole ratio of 97/3(TiO2∶Al2O3), and its photoactivity is 1.5 times as that of Degussa P25 TiO2. The results suggest that the nano-particles TiO2 and the adsorption of TiO2·Al2O3／beads are the primary factors that improve photoactivity, while the calcination conditions and surface area are the second factors.关键词
TiO2·Al2O3/复合光催化剂/玻璃微球/光活性分类
化学化工引用本文复制引用
张新荣,杨平,赵梦月..TiO2*Al2O3／beads光活性的研究[J].感光科学与光化学,2001,19(2):88-95,8.
