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Journal of Materials Science

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01-06-2007

Formation of TiO₂ nanotubes by thermal decomposition of poly(vinyl alcohol)-titanium alkoxide hybrid nanofibers

Authors: Koji Nakane, Naoki Shimada, Takashi Ogihara, Nobuo Ogata, Shinji Yamaguchi

Published in: Journal of Materials Science | Issue 11/2007

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Abstract

Anatase type TiO₂ nanotubes were formed by calcination of poly(vinyl alcohol)-Ti alkoxide hybrid precursor nanofibers in air. The outer and inner diameters of the TiO₂ nanotubes calcined at 500 °C for 5 h were ca. 440 nm and ca. 270 nm, respectively. The specific surface area of the TiO₂ nanotubes was 38.8 m²/g, and the existence of mesopores (average pore diameter, 14.8 nm) on the nanotube wall was indicated by the nitrogen adsorption isotherm (−196 °C). The photocatalysis of the TiO₂ nanotubes was superior to that of commercially available anatase type TiO₂ nanoparticles.

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Title: Formation of TiO2 nanotubes by thermal decomposition of poly(vinyl alcohol)-titanium alkoxide hybrid nanofibers
Authors: Koji Nakane
Naoki Shimada
Takashi Ogihara
Nobuo Ogata
Shinji Yamaguchi
Publication date: 01-06-2007
Publisher: Kluwer Academic Publishers-Plenum Publishers
Published in: Journal of Materials Science / Issue 11/2007
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI: https://doi.org/10.1007/s10853-006-0241-2

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