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.
Research on Chemical Intermediates – Springer Journals
Published: Apr 15, 2009
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