Preparation of N-Doped Mesoporous TiO2 Using Nitromethane as Nitrogen Source and Their High Photocatalytic Performance

被引:7
作者
Fang, Qian [1 ]
Tang, Jianting [1 ]
Zou, Huamei [1 ]
Cai, Tiejun [1 ]
Deng, Qian [1 ]
机构
[1] Hunan Univ Sci & Technol, Sch Chem & Chem Engn, Xiangtan, Peoples R China
基金
中国国家自然科学基金;
关键词
nitromethane; volatile organic compounds; photocatalytic elimination; mesoporous titanium dioxide; VISIBLE-LIGHT; CODOPED TIO2; NANOPARTICLES; PARTICLES; TITANIA; FILM; GAP;
D O I
10.1080/15533174.2014.989590
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
N-doped mesoporous TiO2 was successfully prepared by using CH3NO2 as the nitrogen source and P123 as template. The materials were characterized by TEM, N-2 sorption, XRD, XPS, UV-vis DRS, and TG-DTA techniques. The photocatalytic activity of N-doped TiO2 was tested in elimination of gaseous methanol, formaldehyde, and BTX (benzene, toluene and xylene). The obtained N-doped mesoporous TiO2 materials have better photocatalytic activity than commercial photocatalyst (Degussa P25). Moreover, the N-doped mesoporous TiO2 photocatalysts are easy to prepare and have stable performance, high photocatalytic activity and long lifetime.
引用
收藏
页码:766 / 774
页数:9
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