Abstract
Preparation of titanium dioxide (TiO2) had been carried out by anodizing method that was continued by Nitrogen (N) and Iron (Fe) doping to obtain the Fe-N-TiO2/Ti electrode through sol-gel method. The synthesis of Fe-N-TiO2/Ti by adding NH4Cl as a source of N and Fe(NO3)3 as a source of Fe were prepared by dip-coating technique. The photocurrent response of TiO2/Ti and Fe-N-TiO2/Ti tested in photoelectrocatalyst showed the TiO2/Ti electrode was active in UV light and Fe-N-TiO2/Ti was active in the visible light. The XRD and SEM characterizations result of Fe-N-TiO2/Ti was the forming of anatase crystal and nanotube structure. The FTIR data was indicated the presence of FeO and TiN bonds on the wavenumber of 580cm−1 and 509cm−1, respectively. The degradation result of thiamethoxam pesticide compound in photoelectrocatalyst showed the TiO2/Ti electrode was active on the UV light irradiation with degradation rate constant 0.0436min−1 and Fe-N-TiO2/Ti was active in the visible irradiation with the degradation rate constant 0.0580min−1.
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