Synthesis and characterization of nitrogen doped ZnO tetrapods and application in photocatalytic degradation of organic pollutants under visible light

被引：27
|
作者：
Qiu, Yongfu [1 ,2 ]
Yang, Minlin [1 ,2 ]
Fan, Hongbo [1 ,2 ]
Xu, Yongjun [1 ,2 ]
Shao, Youyuan [1 ,2 ]
Yang, Xiaoxi [1 ,2 ]
Yang, Shihe [3 ]
机构：
[1] Dongguan Univ Technol, Coll Chem & Environm Engn, Dongguan 523808, Guangdong, Peoples R China
[2] Dongguan Univ Technol, Guangdong Prov Key Lab Distributed Energy Syst, Dongguan 523808, Guangdong, Peoples R China
[3] Hong Kong Univ Sci & Technol, Dept Chem, Kowloon, Hong Kong, Peoples R China
来源：
MATERIALS LETTERS | 2013年 / 99卷
基金：
中国国家自然科学基金;
关键词：
Nanomaterials; Semiconductors; ZnO; Tetrapods; TIO2; IRRADIATION; NANOTETRAPODS; DECOMPOSITION; NANOPARTICLES; ACID;
D O I：
10.1016/j.matlet.2013.02.087
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this report, the nitrogen doped ZnO tetrapods are prepared by using the solid reaction of ZnO tetrapods and urea at 600 degrees C. XRD shows that the crystal structure of nitrogen doped ZnO is unchanged maybe due to the low percentage of the nitrogen doping. SEM proves that the nitrogen doping occurs on the surface of ZnO. Furthermore, the photocatalytic activity of the nitrogen doped ZnO tetrapods is evaluated for Bisphenol A photodegradation under visible light irradiation. The results show that the photocatalytic activity of nitrogen doped ZnO tetrapods is higher than those of pure ZnO tetrapods and Degussa TiO2 P25, indicating the great effect of nitrogen doping on the photocatalytic activity of nitrogen doped ZnO tetrapods. Finally, a mechanism is proposed to explain the photodegradation of BPA over nitrogen doped ZnO tetrapods photocatalyst under visible light irradiation. (c) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：105 / 107
页数：3
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