One-step hydrothermal synthesis of nitrogen and tungsten codoped TiO2 nanorods with high visible light photocatalytic activity

被引：9
|
作者：
Cui, Xinyu [1 ]
Rong, Shengzhong [1 ]
Cao, Yanli [1 ]
Yin, Yongkui [1 ]
Li, Shuangjing [2 ]
Li, Miaojing [1 ]
机构：
[1] Mudanjiang Med Univ, Sch Publ Hlth, Mudanjiang 157011, Peoples R China
[2] Northeast Agr Univ, Coll Econ & Management, Harbin 150001, Peoples R China
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2013年 / 113卷 / 01期
关键词：
SENSITIZED SOLAR-CELLS; NANOPARTICLES; REMOVAL; FILMS;
D O I：
10.1007/s00339-013-7896-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
N,W codoped nanorods were synthesized via a one-step hydrothermal method using ammonium metatungstate as the nitrogen and tungstate sources. The prepared samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), UV-visible diffuse reflectance spectroscopy (DRS), and X-ray photoelectron spectroscopy (XPS). The results indicated that the N,W codoped nanorods exhibited a higher photocatalytic activity under visible light irradiation compared with P25 and undoped , because the codoping of N and W ions not only extended the visible light absorption but also promoted the separation of the photogenerated electrons and holes.
引用
收藏
页码：47 / 51
页数：5
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