The Preparation of Ternary Nanocomposite TiO2/ZrO2/SnO2 by Double Template and Application for Water Purification

被引:0
作者
Lu, Chunhua [1 ]
Sun, Xiaoyu [2 ]
Peng, Jun [3 ]
Ma, Yubo [3 ]
机构
[1] Jilin Vocat Coll Ind & Technol, Dept Appl Chem Engn, Jilin 132013, Peoples R China
[2] China Environm United Beijing Environm Protect Co, Beijing 100013, Peoples R China
[3] NE Normal Univ, Changchun 130024, Peoples R China
来源
JOURNAL OF THE CHEMICAL SOCIETY OF PAKISTAN | 2013年 / 35卷 / 01期
关键词
double template; sol-gel method; photocatalytic properties; Rhodamine B; VISIBLE-LIGHT PHOTOCATALYSIS; RHODAMINE-B; WASTE-WATER; TITANIA FILMS; TIO2; DEGRADATION; IRRADIATION; OXIDATION; EFFICIENT; ELECTROOXIDATION;
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
TiO2/ZrO2/SnO2 nanocomposite with large pore is prepared by sol-gel method with Pluronic P123 and Macrogol 20000 as double template. The structure and physicochemical property of the composite are characterized by small-angle powder X-ray diffraction (SAXS), wide-angle powder X-ray diffraction (WA-XRD) and N-2 adsorption-desorption. The photocatalytic efficiencies of the product are assessed by monitoring the photodegradation of Rhodamine B (RhB). The results show that the doping of SnO2 retard the crystal phase transformation from anatase-TiO2 to rutile-TiO2; the doping of ZrO2 stabilizes the anatase phase, and the phase transformation can be greatly retarded; the materials have relatively regular pores and high specific surface area; two types of pores attributed to the usage of double template; the presence of SnO2 significantly increase the degradation rate; the materials can be used five times without decreasing their photocatalytic capacities significantly.
引用
收藏
页码:42 / 48
页数:7
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