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Home  >  Journal list  >  MATERIALS TRANSACTIONS  >  Vol.48  No.9 (2007)  >  pp.2464-2466

MATERIALS TRANSACTIONS
<<Previous article Vol.48  No.9 (2007)   pp.2464 - 2466 Next article>>

Preparation of TiO2 Nanotubes and Their Photocatalytic Properties in Degradation Methylcyclohexane

Wen Liu1), Jianqin Gao1), Fengbao Zhang1) and Guoliang Zhang1)
1) School of Chemical Engineering & Technology, Tianjin University

The tubular TiO2 photocatalysts were successfully synthesized by hydrothermal method. The external tube diameters fall in 8 and 12 nm and the internal diameters are between 5 and 8 nm. Moreover, the lengths of the nanotubes are up to 500 nm and the specific surface area increases to 330 m2/g, while TiO2 powders are 78 m2/g. Methylcyclohexane (MCH) was selected as the target pollutant to investigate the photocatalytic performance. The results indicate that TiO2 nanotubes accelerate the degradation of MCH under the same conditions, comparing with TiO2 nanoparticles. Finally, the degradation reaction shows a first order kinetics.


Keyword:
titanium oxide, nanotubes, photocatalysis, methylcyclohexane, kinetics

Received: March 22, 2007
Accepted: July 02, 2007 , Published online: August 25, 2007
Copyright (c) 2007 The Japan Institute of Metals

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