Effect of synthesis conditions on preparation of mesoporous titania-silica by a modified sol-gel technique using a cationic surfactant

Effect of synthesis conditions on preparation of mesoporous titania-silica by a modified sol-gel... Titania-silica mesoporous materials have been synthesized by a modified sol-gel technique using a cationic surfactant. The synthesis process was studied using statistical design of experiments to achieve the best conditions for titania-silica preparation. The synthesized materials were characterized by XRD, FT-IR, SEM and surface area measurements. The XRD and SEM results showed an amorphous structure of titania-silica. The surface area measurements using nitrogen adsorption showed type-IV isotherms which indicate the formation of mesoporous structure. A high surface area can be obtained (685 m2/g). The crystal size of titania-silica calculated using Scherrer’s equation was found to be in the range 8–15 nm. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Effect of synthesis conditions on preparation of mesoporous titania-silica by a modified sol-gel technique using a cationic surfactant

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Publisher
Springer Journals
Copyright
Copyright © 2008 by Springer
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1163/156856708784795671
Publisher site
See Article on Publisher Site

Abstract

Titania-silica mesoporous materials have been synthesized by a modified sol-gel technique using a cationic surfactant. The synthesis process was studied using statistical design of experiments to achieve the best conditions for titania-silica preparation. The synthesized materials were characterized by XRD, FT-IR, SEM and surface area measurements. The XRD and SEM results showed an amorphous structure of titania-silica. The surface area measurements using nitrogen adsorption showed type-IV isotherms which indicate the formation of mesoporous structure. A high surface area can be obtained (685 m2/g). The crystal size of titania-silica calculated using Scherrer’s equation was found to be in the range 8–15 nm.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Apr 15, 2009

References

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