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Characterization of Mesoporous Zirconium and Cerium Oxides by Transmission Electron Microscopy

Published online by Cambridge University Press:  28 September 2012

M.A. Salvador ,
J. Canales-Vázquez ,
P. Ferreira  and
F.M. Figueiredo
M.A. Salvador
Affiliation:
CICECO, Dept. of Ceramics and Glass Engineering, University of Aveiro, 3810-193 Aveiro, Portugal
J. Canales-Vázquez
Affiliation:
Renewable Energy Research Institute, University of Castilla-la-Mancha, Albacete Science & Technology Park 02006, Albacete, Spain
P. Ferreira
Affiliation:
CICECO, Dept. of Ceramics and Glass Engineering, University of Aveiro, 3810-193 Aveiro, Portugal
F.M. Figueiredo
Affiliation:
CICECO, Dept. of Ceramics and Glass Engineering, University of Aveiro, 3810-193 Aveiro, Portugal

Abstract

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Mesoporous materials have typical average pore diameters in the range 20 – 500 Å, which are usually accompanied by high specific surface area (ABET) and large pore volume (Vp) with narrow pore size distributions. These features are very attractive for potential application as catalysts and adsorbents. Mesoporous materials are usually prepared by soft templating or nanocasting process. The latter approach is based on the replication of hard-templates, such as mesoporous silica (e.g. SBA-15), being a very flexible and suitable method to obtain stable and predictable pore mesostructures. However, the chemical compatibility between the template and the precursors must be ensured.

Type
Materials Sciences
Information
Microscopy and Microanalysis , Volume 18 , Supplement S5: Portuguese Supplement , August 2012 , pp. 81 - 82
Copyright
Copyright © Microscopy Society of America 2012