Preparation and photocatalytic activity of titania particulate film with mesostructured silica as binder

TiO 2 (titania) particulate films with mesostructured silica (SiO 2) as binder were prepared by drying glass substrate coated with an aqueous mixture of titania particles, tetramethoxysilane (TMOS) and cetyltrimetylammonium bromide (CTAB) at appropriate temperature. X-ray diffraction (XRD) and IR ab...

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Bibliographic Details
Published in:Journal of photochemistry and photobiology. A, Chemistry. Chemistry., 2006-07, Vol.181 (2), p.357-362
Main Authors: Shibata, Hirobumi, Ohkubo, Takahiro, Kohno, Hiroki, Rangsunvigit, Pramoch, Sakai, Hideki, Abe, Masahiko
Format: Article
Language:English
Subjects:
Mesostructured material
Particulate film
Photocatalytic activity
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Summary:TiO 2 (titania) particulate films with mesostructured silica (SiO 2) as binder were prepared by drying glass substrate coated with an aqueous mixture of titania particles, tetramethoxysilane (TMOS) and cetyltrimetylammonium bromide (CTAB) at appropriate temperature. X-ray diffraction (XRD) and IR absorption measurements on the obtained films revealed the formation of titania particles/silica composite thin film. XRD patterns at low angle region on these films indicated silica binder has well-ordered lamellar type mesostructure. These films show characteristic properties on both high absorption ability and photocatalytic activity to oxidative degradation of gaseous 2-propanol.
ISSN:1010-6030
1873-2666
DOI:10.1016/j.jphotochem.2005.12.018