N-doped TiO2 nanotubes and its photocatalytic activity under UV light

被引：3
|
作者：
Dou Yanwei [1 ]
Feng Xue [1 ]
Yin Chao [1 ]
机构：
[1] Heilongjiang Univ, HLJ Prov Key Lab Senior Educ Elect Engn, Harbin 150080, Peoples R China
来源：
ADVANCED MANUFACTURING TECHNOLOGY, PTS 1, 2 | 2011年 / 156-157卷
关键词：
TiO2; Nanotube; Doping; Photocatalysis Degradation;
D O I：
10.4028/www.scientific.net/AMR.156-157.1725
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We review the fabrication and properties of highly ordered TiO2 nanotube arrays made by anodic oxidation of titanium in fluoride-based electrolytes. The N-doped TiO2 nanotubes were prepared by changing the composition of electrolyte. TiO2 nanotubes and N-doped TiO2 nanotubes characterized by various analytical methods, such as scanning electron microscope (SEM) and photoelectron emission spectroscopy (XPS). The photocatalytic efficiency was evaluated by the photodegradation of Methyl orange solution under UV irradiation. It has been confirmed that the recombination rate of electron-hole pairs declined significantly. The higher visible light activity is due to the codoping of nitrogen.
引用
收藏
页码：1725 / 1729
页数：5
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