Photocatalytic activity and surface properties of carbon-doped titanium dioxide.
1
Gdansk University of Technology
Publication date: 2009-01-01
Corresponding author
A. Zaleska
Department of Chemical Technology, Gdansk University of Technology, ul. G. Narutowicza 11/12, 80-952 Gdansk, Poland
Department of Chemical Technology, Gdansk University of Technology, ul. G. Narutowicza 11/12, 80-952 Gdansk, Poland
Physicochem. Probl. Miner. Process. 2009;43(1):21-30
KEYWORDS
ABSTRACT
Carbon-doped TiO2 was prepared by hydrolysis of titanium (IV) isopropoxide and calcina- tion at 350oC for 2h in air. Phenol (0.21 mM) was successfully degraded in the aqueous suspension of the powder, under visible light (λ>400 nm). Characteristics of obtained photocatalyst by BET method and UV-Vis diffuse reflectance spectroscopy showed about 127 m2/g of specific surface area, absorption of light in the visible region and 3.35 eV of band gap energy. Photocatalytic activity and selected properties of five samples prepared independently were investigated.
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