A template method for synthesis of porous Sn-doped TiO2 monolith and its enhanced photocatalytic activity

被引：34
|
作者：
Du, Jimin [1 ]
Zhao, Guoyan [1 ]
Pang, Huan [1 ]
Qian, Yongteng [1 ]
Liu, Huiqiao [1 ]
Kang, Dae Joon [2 ,3 ]
机构：
[1] Anyang Normal Univ, Sch Chem & Chem Engn, Anyang, Henan Province, Peoples R China
[2] Sungkyunkwan Univ, SKKU Adv Inst Nanotechnol, Inst Basic Sci, Phys Res Div BK 21,Dept Energy Sci, Suwon 440746, South Korea
[3] Sungkyunkwan Univ, Ctr Nanotubes & Nanostruct Composites, Suwon 440746, South Korea
来源：
MATERIALS LETTERS | 2013年 / 93卷
基金：
中国国家自然科学基金;
关键词：
Porous TiO2; Photocatalyst; Sol-gel method; Sn; Anatase; FILMS;
D O I：
10.1016/j.matlet.2012.11.134
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Porous Sn-doped TiO2 monoliths were fabricated with polystyrene spheres as a template using a sol-gel method, and followed by calcination at high temperature. Sn doping can suppress the electron/hole recombination through facilitating charge rectification. And its porous structure can provide large surface areas, leading to more adsorption and fast transfer of pollutants. The Sn-doped TiO2 monoliths were characterized by XRD, SEM and BET measurements. In order to evaluate the photocatalytic activity of porous Sn-doped TiO2 monoliths, the photodegradation for methyl orange was performed under UV-vis irradiation: At the same conditions, porous Sn-doped TiO2 monoliths showed the better behavior of photodecomposition for organic compounds than Degussa P25. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：419 / 422
页数：4
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