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Mesoporous Silica and Titania by Glycol-Modified Precursors

Published online by Cambridge University Press:  17 March 2011

Jasmin Geserick ,
Nicola Hüsing ,
Renate Roßmanith ,
Clemens K. Weiss ,
Katharina Landfester ,
Yvonne Denkwitz ,
R. Jürgen Behm ,
Ute Hörmann  and
Ute Kaiser
Jasmin Geserick
Affiliation:
Institute of Inorganic Chemistry I, Ulm University, Ulm, 89081, Germany
Nicola Hüsing
Affiliation:
Institute of Inorganic Chemistry I, Ulm University, Ulm, 89081, Germany
Renate Roßmanith
Affiliation:
Institute of Organic Chemistry III, Ulm University, Ulm, 89081, Germany
Clemens K. Weiss
Affiliation:
Institute of Organic Chemistry III, Ulm University, Ulm, 89081, Germany
Katharina Landfester
Affiliation:
Institute of Organic Chemistry III, Ulm University, Ulm, 89081, Germany
Yvonne Denkwitz
Affiliation:
Institute of Surface Chemistry and Catalysis, Ulm University, Ulm, 89081, Germany
R. Jürgen Behm
Affiliation:
Institute of Surface Chemistry and Catalysis, Ulm University, Ulm, 89081, Germany
Ute Hörmann
Affiliation:
Electron Microscopy Group of Material Sciences, Ulm University, Ulm, 89081, Germany
Ute Kaiser
Affiliation:
Electron Microscopy Group of Material Sciences, Ulm University, Ulm, 89081, Germany
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Abstract

Ethylene glycol modified precursors, such as tetrakis(2-hydroxyethyl)orthosilicate (EGMS) or bis(2-hydroxyethyl)titanate (EGMT), have distinct advantages in the synthesis of mesoporous materials by sol-gel processing compared to the commercially available tetraalkoxide precursors. The glycols released upon hydrolysis have proven to be compatible with lyotropic surfactant mesophases and in addition, these precursors allow for processing in purely aqueous conditions. Besides the standard characterization of the resulting titania and silica-based materials by XRD, electron microscopy, and nitrogen sorption, the potential of the titania-based materials for catalytic applications was tested using Au/TiO2 catalysts in low temperature CO oxidation reactions.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1007: Symposium S – Organic/Inorganic Hybrid Materials-2007 , 2007 , 1007-S04-13
Copyright
Copyright © Materials Research Society 2007

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References

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