Preparation of a visible sensitive carbon doped TiO2 photo-catalyst by grinding TiO2 with ethanol and heating treatment

被引：118

作者：

Kang, In-Cheol ^{[1
]}

Zhang, Qiwu ^{[1
]}

Yin, Shu ^{[1
]}

Sato, Tsugio ^{[1
]}

Saito, Fumio ^{[1
]}

机构：

[1] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Sendai, Miyagi 9808577, Japan

来源：

APPLIED CATALYSIS B-ENVIRONMENTAL | 2008年 / 80卷 / 1-2期

关键词：

grinding; carbon doping; carbonate species; solid-liquid reaction; TiO2; photo-catalyst;

D O I：

10.1016/j.apcatb.2007.11.005

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We have synthesized a carbon doped titanium oxide powder (C-TiO2) which is a photo-catalytic material acting under irradiation of light of wave length in visible region, by mechanochemical (MC) and heating operations. The MC operation is conducted by grinding TiO2 with ethanol (C2H5OH) in air, and the heating is carried out at different temperatures in air. The prepared samples were characterized by a series of analytical methods including X-ray diffraction, thermogravimetry-mass spectroscopy, Fourier transform infrared spectroscopy, specific surface area measurement, X-ray photoelectron spectroscopy (XPS), NOx gas decomposition and ultraviolet visible spectroscopy (UV-vis). XPS analysis particularly demonstrates the existence of C-Ti and C-O bindings, to which the improvement in photo-catalyst is attributed. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：81 / 87

页数：7

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