Synthesis of Cu2+ doped mesoporous titania and investigation of its photocatalytic ability under visible light

被引：34
|
作者：
Yu, Le [1 ]
Yuan, Shuai [1 ]
Shi, Liyi [1 ]
Zhao, Yin [1 ]
Fang, Jianhui [1 ]
机构：
[1] Shanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China
来源：
MICROPOROUS AND MESOPOROUS MATERIALS | 2010年 / 134卷 / 1-3期
关键词：
Cu2+ species; Mesoporous titania; Photocatalytic activity; Visible light; THIN-FILMS; TIO2; DEGRADATION; NANOPARTICLES; DIOXIDE; ANATASE; PHOTODEGRADATION; NANOCOMPOSITES; CU-TIO2; SYSTEMS;
D O I：
10.1016/j.micromeso.2010.05.015
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A simple method to prepare Cu2+ doped mesoporous TiO2 with improved visible sensitive photocatalytic activity is reported The mesoporous samples were characterized by low angle and wide angle X-ray diffraction (XRD), transmission electron microscopy (TEM), N-2 adsorption-desorption, X-ray photoelectron spectra (XPS) and UV-visible absorbance spectroscopy The degradation of methylene blue under visible light irradiation was investigated to evaluate the photocatalytic activity of these materials. Analytical results demonstrate that Cu2+ doping amount is crucial to affect the photocatalytic ability of the mesoporous titania Among the samples, 0 05 at.% Cu2+ doped mcsoporous TiO2 exhibits the highest photocatalytic activity (C) 2010 Elsevier Inc All rights reserved
引用
收藏
页码：108 / 114
页数：7
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