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MRS Online Proceedings Library (OPL) MRS Online Proceedings Library (OPL)

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Microstructural Studies of the WO3/TiO2 Monolayer Catalyst System Using High Resolution Electron Microscopy

Published online by Cambridge University Press:  15 February 2011

A. Burrows ,
C. J. Kiely ,
R. W. Joyner ,
H. Knözinger  and
F. Lange
A. Burrows
Affiliation:
Department of Materials Science and Engineering, The University of Liverpool P.O. Box 147, Liverpool L69
C. J. Kiely
Affiliation:
Department of Materials Science and Engineering, The University of Liverpool P.O. Box 147, Liverpool L69
R. W. Joyner
Affiliation:
Leverhulme Centre for Innovative Catalysis, The University of Liverpool, P.O. Box 147, Liverpool L69 3BX, UK
H. Knözinger
Affiliation:
Institut für Physikalische Chemie, Universität München, 80333 München, Germany
F. Lange
Affiliation:
Institut für Physikalische Chemie, Universität München, 80333 München, Germany
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Abstract

We have characterised the WO3T'iO2 (anatase) catalyst system using High Resolution Electron Microscopy. We will show that the overlayer preserves the surface roughness of titania and consists of 2D-hexagonal clusters that have a definite orientation relationship with the support. The contrast observed from these clusters is discussed in terms of existing structural models. A comparison between traditional chemical methods of preparation and simple mechanical mixing is made to assess the effectiveness of the latter to disperse WO3.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 344: Symposium I – Materials and Processes for Environmental Protection , 1994 , 33
Copyright
Copyright © Materials Research Society 1994

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References

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Microstructural Studies of the WO3/TiO2 Monolayer Catalyst System Using High Resolution Electron Microscopy
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