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Photodegradation of Reactive Black 5 by Titanium Oxide Film Obtained with Ultrasonic Pyrolysis Technique

Published online by Cambridge University Press:  01 February 2011

R. T. Hernández L. ,
I. Hernández-Pérez ,
D. Y. Medina V. ,
N. Becerril  and
S. Soyuqui
R. T. Hernández L.
Affiliation:
Division of Basic Science and Engineering, Metropolitan Autonomous University, San Pablo 180, Azcapotzalco, México D.F., 02200, México. Email: dyolotzin@correo.azc.uam.mx
I. Hernández-Pérez
Affiliation:
Division of Basic Science and Engineering, Metropolitan Autonomous University, San Pablo 180, Azcapotzalco, México D.F., 02200, México. Email: dyolotzin@correo.azc.uam.mx
D. Y. Medina V.
Affiliation:
Division of Basic Science and Engineering, Metropolitan Autonomous University, San Pablo 180, Azcapotzalco, México D.F., 02200, México. Email: dyolotzin@correo.azc.uam.mx
N. Becerril
Affiliation:
Division of Basic Science and Engineering, Metropolitan Autonomous University, San Pablo 180, Azcapotzalco, México D.F., 02200, México. Email: dyolotzin@correo.azc.uam.mx
S. Soyuqui
Affiliation:
Division of Basic Science and Engineering, Metropolitan Autonomous University, San Pablo 180, Azcapotzalco, México D.F., 02200, México. Email: dyolotzin@correo.azc.uam.mx
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Abstract

The present work reports the photodegradation results of the Reactive Black 5 (RB5) izo dye by using titanium oxide films as photocatalysts. The films were obtained by ultrasonic spray pyrolysis deposit technique from a 0.0076 M of Ti(IV)-acetyl-acetonate and N, Ndimethylformamide solution over corning glasses as substrates. The film obtained by deposition at 450 °C for 6.0 min shows the best photocatalysis behavior, which may degrade 50% of 100 ppm RB5 in a period of 120 min, as monitored with a spectra-photometer UV-Vis between 190 to 900 nm. After 180 minutes of degradation, a 70% conversion could be obtained. These results are better than that obtained with TiO2 powders as photocatalyst.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1279: New Catalytic Materials , 2010 , 45
Copyright
Copyright © Materials Research Society 2010

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