Ordered arrays of N-doped mesoporous titania spheres with high visible light photocatalytic activity

被引：11
|
作者：
Hu, Zhiyan [1 ]
Xu, Lianbin [1 ]
Chen, Jianfeng [1 ]
机构：
[1] Beijing Univ Chem Technol, State Key Lab Organ Inorgan Composites, Beijing 100029, Peoples R China
来源：
MATERIALS LETTERS | 2013年 / 106卷
基金：
中国国家自然科学基金;
关键词：
Porous materials; Sol-gel preparation; Solar energy materials; Titania sphere arrays; N-doping; Photocatalysis; TIO2; OXIDE; CONVERSION; OXIDATION; ELECTRODE; FILMS;
D O I：
10.1016/j.matlet.2013.05.076
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A preparation of three-dimensionally ordered arrays of N-doped mesoporous TiO2 spheres by a dual-templating synthesis approach employing a combination of both polymer inverse opal templating (hard-templating) and surfactant templating (soft-templating) techniques was developed in this work. The N-doped mesoporous TiO2 spheres were composed of nanocrystalline anatase titania and exhibited wells defined mesoporous structure. The ordered arrays of N-doped mesoporous TiO2 spheres showed enhanced visible light photocatalytic activity, which could be attributed to the N doping effect, abundant ordered mesopores and unique opal structure. Such obtained TiO2 sphere arrays may be promising for practical applications in the fields of environmental purification, water photoelectrolysis and dye-sensitized solar cells. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：421 / 424
页数：4
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