Synthesis and Characterization of Novel N-doped TiO2 Photocatalyst with Visible Light Active

被引：10
作者：
Peng, Feng [1 ]
Liu, Yi [1 ]
Wang, Hong-juan [1 ]
Yu, Hao [1 ]
Yang, Jian [1 ]
机构：
[1] S China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510640, Guangdong, Peoples R China
来源：
CHINESE JOURNAL OF CHEMICAL PHYSICS | 2010年 / 23卷 / 04期
关键词：
Nitrogen doped titania; Photocatalysis; X-ray photoelectron spectroscopy; Substitutional nitrogen; Interstitial nitrogen; NANOPARTICLES; DEGRADATION; FILMS; ZNO;
D O I：
10.1088/1674-0068/23/04/437-441
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
A novel N-doped TiO2 (N-1-N-2-TiO2) with substitutional and interstitial N impurities simultaneously was successfully synthesized. The catalyst was characterized by X-ray diffraction, X-ray photoelectron spectroscopy, diffuse reflectance spectroscopy, photoluminescence, and electron paramagnetic resonance. The results demonstrated that the nitrogen was substituted for the lattice oxygen atoms, and was also interstitially doped into the TiO2 lattice. The photocatalytic tests indicated that the N-1-N-2-TiO2 showed the highest photocatalytic activities of all the N-doped TiO2 under visible light, attributing to the synergetic effect of substitutional and interstitial nitrogen of N-doped TiO2.
引用
收藏
页码：437 / 441
页数：5
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