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Electrochemical Properties of Nanoporous TiO2 Films

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Abstract:

The precursor solutions containing TiO2 sol for nanoporous films were prepared by hydrolyzing titanium(IV) isopropoxide and adding trehalose dihydrate. The porous and thick TiO2 film was prepared by dip-coating technique on glass substrate and heating at 500 °C. The film was composed of nano sized particles (10-20 nm) and pores (7 nm). The specific surface area of the film was 163 m2/g. The film had humidity-sensitive electrical resistance at room temperature.

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Periodical:

Key Engineering Materials (Volume 301)

Pages:

83-86

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.301.83

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Online since:

January 2006

Authors:

Takeshi Miki, Kaori Nishizawa, Kazuyuki Suzuki, Kazumi Kato

Keywords:

Film, Humidity Sensor, Nanoporous, Sol, Titania (TiO2), Trehalose

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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