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Titanium dioxide nanoparticles prepared by laser pyrolysis : synthesis and photocatalytic properties

Figgemeier, E. and Kylberg, W. and Constable, E. and Scarisoreanu, M. and Alexandrescu, R. and Morjan, I. and Soare, I. and Birjega, R. and Popovici, E. and Fleaca, C. and Gavrila-Florescu, L. and Prodan, G.. (2007) Titanium dioxide nanoparticles prepared by laser pyrolysis : synthesis and photocatalytic properties. Applied Surface Science, 254 (4). pp. 1037-1041.

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Official URL: http://edoc.unibas.ch/dok/A5248949

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Abstract

TiO2 nanoparticles were synthesized via the laser pyrolysis of titanium tetrachloride-based gas-phase mixtures. In the obtained nanopowders, a mixture of anatase and rutile phases with mean particle size of about 14 nm was identified. Using the thermal heated laser nanopowders, mechanically stable films were produced by immobilizing titania nanopowders on glass substrates (the doctor blading method followed by compression). The photocatalytic activity of the prepared films was tested by the degradation of 4-chlorophenol in an aqueous solution under UV-illumination. By referring to known commercial samples (Degussa P25) similarly prepared, higher photocatalytic efficiency was found for the laser-prepared samples.
Faculties and Departments:05 Faculty of Science > Departement Chemie > Chemie > Anorganische Chemie (Constable)
UniBasel Contributors:Constable, Edwin Charles
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Elsevier
ISSN:0169-4332
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:10 May 2017 08:49
Deposited On:22 Mar 2012 14:07

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