Preparation Of The Transport TiO2 Film Photocatalyst And Its Use For The Photodegradation Of VOCs
Author(s)
N. Negishi, K. Takeuchi & P. Pichat
Abstract
Preparation of the transparent Ti02 film
photocatalyst and its use for the
photodegradation of VOCs
N. ~ e ~ i s h i ' , K. ~akeuchi' & P. pichat2
'~nstitute for Environmental Management Technology, National Institute of
Advanced Industrial Science and Technology MIST), Jupan.
2 Inge'nierie et Fonctionnalisation des Surfaces, Centre National de la
Recherche Scientzjique (CNRS), France.
Abstract
A Ti02 transparent thin film photocatalyst was prepared for the
photodecomposition of VOCs under photo-irradiation with sunlight. A
precursor solution for the transparent TiOz film photocatalysts was prepared
using a mixture of a-terpineol and hydroxypropyl cellulose (Mw = 80000).
The transparent films were prepared by a dip coating method. The maximum
thickness of the obtained transparent film was 4.4 pm. The specific surface
area was around 80 m2/g. The crystallinity of Ti02 film was of anatase alone.
Acetaldehyde (1000 ppm in air, 50% relative humidity) was photodecomposed
by the transparent TiOz fi
Keywords
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