Photoelectrocatalytic Degradation of Methyl Orange on Porous TiO2 Film Electrode in NaCl Solution

Wen Jie Zhang; Jia Wei Bai; Jia Fu

doi:10.4028/www.scientific.net/AMR.213.15

Paper Titles

Preface and Organizing Committee

Photocatalytic Degradation of C.I. Reactive Red 2 on the Mixture of TiO₂ and HZSM-5 Zeolite
p.1

Microstructure and Mechanical Properties of Lost Foam Casting AZ91D Alloy Produced with Mechanical Vibration
p.5

Research of Process Planning Based on Similarity Theory under Reconfigurable Manufacturing System
p.9

Photoelectrocatalytic Degradation of Methyl Orange on Porous TiO₂ Film Electrode in NaCl Solution
p.15

Photocatalytic Activity of TiO₂-HZSM-5 Composite for C.I. Reactive Red 2 Degradation
p.20

Manufacturing of Biocompatible Implant Component Using Rapid Prototyping Technology
p.25

Study on the Effect of Waste Gypsum on Hardening Paste Structure and Performances of Lime-Fly Ash
p.31

Performance Assessment of Photocatalyst for Ethanol Removal
p.35

HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 213Photoelectrocatalytic Degradation of Methyl Orange...

Photoelectrocatalytic Degradation of Methyl Orange on Porous TiO₂ Film Electrode in NaCl Solution

Abstract:

Porous TiO2 films and smooth TiO2 films were fabricated by sol-gel dip-coating technique using titanium plate as support substrate. Photoelectrocatalytic (PEC) degradation of methyl orange was investigated in aqueous NaCl solution using the TiO2 films. PEC degradation efficiencies showed strong dependence on the concentrations of aqueous NaCl solutions and applied potentials. Photoelectrocatalytic activity of the porous TiO2 film was higher than that of the smooth TiO2 film at lower applied potential. 95.2% decolorization of the dye could be achieved in 50 minutes at applied potential of 0.6 V in 0.05 M NaCl solution on porous TiO2 films, while the efficiency was only 79.9% on smooth TiO2 films. Electrodegradation (ED) of these two film electrodes almost had no effect on methyl orange. Photocatalytic oxidation (PCO) degradation was 36.4% for the porous TiO2 thin film after 80 min, and 32.6% for the smooth TiO2 thin film during the same condition.