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Georgia Journal of Science

Article Title

AN INVESTIGATION OF TITANIUM DIOXIDE NANOPARTICLES FOR PHOTOCATALYTIC PROPERTIES

Abstract

Titanium oxide (TiO2) is one of the materials most extensively investigated for its photocatalytic properties, primarily because of its ability to degrade a wide variety of organic pollutants. Photocatalytic degradation of Congo-red on a (~300 nm) thin layer of anatase TiO2 nanoparticles is investigated under Mercury light-source. The thin layer was prepared by spin coating techniques using commercially available TiO2 nanoparticles of average size 10 – 15 nm. The samples are characterized by UV–visible spectroscopy and scanning electron microscopy (SEM). Estimated rate constant was found to be 3.1 x 10-2 min-1. Further, the degradation properties of thin layer samples were compared with that obtained with as-received TiO2 nanoparticles under similar conditions. Financial support from UWG SEEP and SRAP programs are acknowledged.

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