Solar photocatalytic degradation of rhodamine B by heat-treated nanometer anatase TiO2 powder

被引：2
|
作者：
Wang, Jun [1 ]
Li, Chengwu [1 ]
Zhang, Liqun [2 ]
Li, Jia [1 ]
Li, Ying [1 ]
Han, Guangxi [1 ]
Xu, Rui [1 ]
Zhang, Xiangdong [1 ]
机构：
[1] Liaoning Univ, Dept Chem, Shenyang 110036, Peoples R China
[2] Liaoning Univ, Dept Pharm, Shenyang 110036, Peoples R China
来源：
INORGANIC MATERIALS | 2010年 / 46卷 / 09期
关键词：
VISIBLE-LIGHT; WASTE-WATER; THIN-FILMS; SURFACE;
D O I：
10.1134/S0020168510090086
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The partial phase transformation of nanometer TiO2 powder from anatase to rutile was realized by heat-treatment, and then a novel photocatalyst which could utilize solarlight was obtained. The heat-treated nanometer TiO2 powders at different transition stage were characterized by XRD, TEM and UV-vis spectra. In addition, the photocatalytic activity of heat-treated nanometer TiO2 powder was tested out through the degradation of Rhodamine B dye in aqueous solution under solarlight irradiation. The results reveal that the nanometer anatase TiO2 powder heat-treated at 500A degrees C for 80 min exhibites the highest photocatalytic activity. That is, Rhodamine B dye can effectively degraded under solarlight irradiation in the presence of heat-treated nanometer TiO2 powder.
引用
收藏
页码：965 / 970
页数：6
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