The photocatalysis of Ti O2nanotubes（Ti/TNT） and Ni-deposited Ti O2nanotubes（Ti/TNT–Ni） for methyl orange degradation was investigated.Methyl orange was selected as the model pollutant,and its photocatalytic degr...The photocatalysis of Ti O2nanotubes（Ti/TNT） and Ni-deposited Ti O2nanotubes（Ti/TNT–Ni） for methyl orange degradation was investigated.Methyl orange was selected as the model pollutant,and its photocatalytic degradation was determined in 1 mol/L KOH solution.Ti/TNT was produced by anodizing method,and the electrodeposition of nickel on TNT was performed galvanostatically.The characterization of electrodes was performed by scanning electron microscopy,energy-dispersive X-ray spectroscopy and X-ray diffraction analysis.The electrochemical behavior of the electrodes was determined by cyclic voltammetry and electrochemical impedance spectroscopy.The irradiation was applied by visible light source（k = 635 nm） for 48 h.UV/vis spectroscopy was used for determination of the concentration of methyl orange.Furthermore,after 48-h irradiation,the solutions were analyzed by Fourier transform infrared spectroscopy.Results showed that the concentration of methyl orange decreased from 100 ppm（10-6） to 16 ppm,after48-h irradiation with the photocatalysis of Ti/TNT–Ni.展开更多
基金Cukurova University Research Fund (No.FEF2013BAP4)
文摘The photocatalysis of Ti O2nanotubes（Ti/TNT） and Ni-deposited Ti O2nanotubes（Ti/TNT–Ni） for methyl orange degradation was investigated.Methyl orange was selected as the model pollutant,and its photocatalytic degradation was determined in 1 mol/L KOH solution.Ti/TNT was produced by anodizing method,and the electrodeposition of nickel on TNT was performed galvanostatically.The characterization of electrodes was performed by scanning electron microscopy,energy-dispersive X-ray spectroscopy and X-ray diffraction analysis.The electrochemical behavior of the electrodes was determined by cyclic voltammetry and electrochemical impedance spectroscopy.The irradiation was applied by visible light source（k = 635 nm） for 48 h.UV/vis spectroscopy was used for determination of the concentration of methyl orange.Furthermore,after 48-h irradiation,the solutions were analyzed by Fourier transform infrared spectroscopy.Results showed that the concentration of methyl orange decreased from 100 ppm（10-6） to 16 ppm,after48-h irradiation with the photocatalysis of Ti/TNT–Ni.
