Large-Scale, Three–Dimensional, Free–Standing and Mesoporous Metal Oxide Networks for High–Performance Photocatalysis

Mesoporous nanostructures represent a unique class of photocatalysts with many applications, including splitting of water, degradation of organic contaminants and reduction of carbon dioxide. In this work, we report a general Lewis acid catalytic template route for the high–yield producing single– a...

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Bibliographic Details
Published in:Scientific reports 2013-07, Vol.3 (1), p.2204, Article 2204
Main Authors: Bai, Hua, Li, Xinshi, Hu, Chao, Zhang, Xuan, Li, Junfang, Yan, Yan, Xi, Guangcheng
Format: Article
Language:English
Subjects:
639/301/357/1016
639/301/357/354
639/301/357/551
639/638/263/915
Azo dyes
Carbon dioxide
Catalysis
Contaminants
Humanities and Social Sciences
Metal Nanoparticles - chemistry
Metal Nanoparticles - ultrastructure
Metal oxides
Metals
multidisciplinary
Nanoparticles
Nanotechnology
Organic contaminants
Oxides - chemistry
Photocatalysis
Photodegradation
Porosity
Porous materials
Science
Splitting
Surface Properties
X-Ray Diffraction
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Summary:Mesoporous nanostructures represent a unique class of photocatalysts with many applications, including splitting of water, degradation of organic contaminants and reduction of carbon dioxide. In this work, we report a general Lewis acid catalytic template route for the high–yield producing single– and multi–component large–scale three–dimensional (3D) mesoporous metal oxide networks. The large-scale 3D mesoporous metal oxide networks possess large macroscopic scale (millimeter–sized) and mesoporous nanostructure with huge pore volume and large surface exposure area. This method also can be used for the synthesis of large–scale 3D macro/mesoporous hierarchical porous materials and noble metal nanoparticles loaded 3D mesoporous networks. Photocatalytic degradation of Azo dyes demonstrated that the large–scale 3D mesoporous metal oxide networks enable high photocatalytic activity. The present synthetic method can serve as the new design concept for functional 3D mesoporous nanomaterials.
ISSN:2045-2322
2045-2322
DOI:10.1038/srep02204