Wavelength-sensitive photocatalytic degradation of methyl orange in aqueous suspension over iron(III)-doped TiO2 nanopowders under UV and visible light irradiation

Article Abstract:

The effect of iron doping concentration on the photocatalytic reactivity of well-crystallized [Fe.sup.3+]-doped TiO2 with controlled iron doping concentration up to 16.4 at.% was investigated under UV and visible light irradiation. It was found that any [Fe.sup.3+] doping led to a decrease in the photocatalytic decomposition rate of MO under UV irradiation while under visible light irradiation, TiO2 with an intermediate iron doping concentration had the highest photocatalytic reactivity.

Iron compounds, Methyl groups, Methyl compounds

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Magnetic field effect on the photocatalytic reaction with ultrafine TiO2 particles

Article Abstract:

Magnetically induced acceleration of a photocatalytic reaction is observed. The irradiation of ultrafine TiO2 particles in tert-butyl alcohol is studied.

Analysis, Magnetic fields, Radiation chemistry

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