Large-scale synthesis of TiO(sub 2) nanorods via nonhydrolytic sol-gel ester elimination reaction and their application to photocatalytic inactivation of E. coli

Article Abstract:

A simple method of synthesizing a large quantity of TiO(sub 2) nanorods was developed. A nonhydrolytic sol-gel reaction between titanium (IV) isopropoxide and oleic acid at 270 degree Celsius generated 3.4 nm (diameter) x 38 nm (length) sized TiO(sub 2) nanocrystals, which exhibited higher photocatayltic activity than a commercial P-25 photocatayst for the photocatalytic inactivation of E-coli.

Escherichia coli, Nanoparticles

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Investigation of the kinetics of a TiO2 photoelectrocatalytic reaction involving charge transfer and recombination through surface states by electrochemical impedance spectroscopy

Article Abstract:

Electrochemical impedance spectroscopy (EIS) was used for examining the kinetics of a TiO2 photoelectrocatalytic (PEC) reaction involving charge transfer and recombination through surface states. The appearance of two distinguishable semicircles in the EIS response is dependent on the surface state capacitance and light intensity.

Electric properties, Titanium, Impedance spectroscopy

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Heteropoly acid-incorporated TiO2 colloids as novel photocatalytic systems resembling the photosynthetic reaction center

Article Abstract:

The use of heteropoly acid (HPA)-incorporated TiO2 colloids as a new photocatalytic system resembling the photosynthetic reaction center is analyzed. It was seen that the coupling of HPA with TiO2, which transfers electrons directly to interfacial HPA, could enhance the photoreduction of HPA.

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