A simple approach for preparing a visible-light TiO2 photocatalyst

被引：17
|
作者：
Zou, Weiwei [1 ,2 ]
Zhang, Jin-Long [1 ,2 ]
Chen, Feng [1 ,2 ]
Anpo, Masakazu [3 ]
He, Dan-Nong [4 ]
机构：
[1] E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
[2] E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R China
[3] Osaka Prefecture Univ, Grad Sch Engn, Dept Appl Chem, Osaka 5998531, Japan
[4] Shanghai Natl Engn Res Ctr Nanotechnol, Shanghai 200237, Peoples R China
来源：
RESEARCH ON CHEMICAL INTERMEDIATES | 2009年 / 35卷 / 6-7期
基金：
中国国家自然科学基金;
关键词：
Titanium dioxide; Visible light; Photocatalysis; Toluene 2,4-di-isocyanate; Surface modification; SURFACE; DEGRADATION; TITANIA;
D O I：
10.1007/s11164-009-0093-x
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The surface of titanium dioxide nanoparticles has been chemically modified with toluene 2,4-di-isocyanate (TDI). The modified titanium dioxide can efficiently absorb visible irradiation. The samples were characterized by means of wide-angle X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FT-IR), diffuse reflectance UV-Vis spectroscopy (DRS), X-ray photoelectron spectroscopy (XPS), and thermogravimetric analysis (TGA). The as-prepared photocatalyst exhibited good photostability and photocatalytic performance in the degradation of organic compounds. For model organic pollutants, modified titanium dioxide had excellent visible-light photocatalytic performance and the surface chemistry linkage product had high photostability.
引用
收藏
页码：717 / 726
页数：10
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