Crystalline mesoporous transition metal oxides: hard-templating synthesis and application in environmental catalysis

2013, Volume 7, Issue 3

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Frontiers of Environmental Science & Engineering >> 2013, Volume 7, Issue 3 doi: 10.1007/s11783-012-0472-1

Crystalline mesoporous transition metal oxides: hard-templating synthesis and application in environmental catalysis

1. Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP.), Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China; 2. Energy Storage Center, National Institute of Clean-and-Low-Carbon Energy, Shenhua Group, Future Science and Technology City, Beijing 102209, China

Available online: 2013-06-01

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Abstract

Mesoporous silicas such as MCM-41 and SBA-15 possess high surface areas, ordered nanopores, and excellent thermal stability, and have been often used as catalyst supports. Although mesoporous metal oxides have lower surface areas compared to mesoporous silicas, they generally have more diversified functionalities. Mesoporous metal oxides can be synthesized via a soft-templating or hard-templating approach, and these materials have recently found some applications in environmental catalysis, such as CO oxidation, N O decomposition, and elimination of organic pollutants. In this review, we summarize the synthesis of mesoporous transition metal oxides using mesoporous silicas as hard templates, highlight the application of these materials in environmental catalysis, and furnish some prospects for future development.

Keywords

mesoporous materials ; silica ; metal oxide ; hard-templating ; environmental catalysis

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