Electrochemical assisted photodegradation of oxalate ions using sol-gel coated TiO2 on ITO glass

被引:10
作者
Zainal, Z [1 ]
Saravanan, N [1 ]
Fang, NS [1 ]
机构
[1] Univ Putra Malaysia, Dept Chem, Serdang 43400, Malaysia
来源
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 2004年 / 111卷 / 01期
关键词
titanium dioxide; film; photodegradation; oxalate;
D O I
10.1016/j.mseb.2004.03.026
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Electrochemical assisted photodegradation of oxalate ions using titanium dioxide coated on indium tin oxide glass substrates were studied. The titanium dioxide (TiO2) films were prepared by dip-coating method. The photodegradation study under illumination with halogen and ultraviolet lamp was carried out using linear sweep voltammetry. The effect of heat treatment, light source, intensity of light, concentration of oxalate ion, number of dip-coating and applied potentials have been investigated. Ultraviolet light was found to induce higher photodegradation reaction compared to halogen lamp. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:57 / 63
页数:7
相关论文
共 12 条
[1]  
BLOZKOW A, 1998, J PHOTOCH PHOTOBIO A, V113, P251
[2]   Immobilisation of TiO2 powder for the treatment of polluted water [J].
Byrne, JA ;
Eggins, BR ;
Brown, NMD ;
McKinney, B ;
Rouse, M .
APPLIED CATALYSIS B-ENVIRONMENTAL, 1998, 17 (1-2) :25-36
[3]   Photoelectrochemical decomposition of amino acids on a TiO2/OTE particulate film electrode [J].
Hidaka, H ;
Shimura, T ;
Ajisaka, K ;
Horikoshi, S ;
Zhao, JC ;
Serpone, N .
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 1997, 109 (02) :165-170
[4]   Photoelectrocatalytic degradation of humic acid in aqueous solution using a Ti/TiO2 mesh photoelectrode [J].
Li, XZ ;
Li, FB ;
Fan, CM ;
Sun, YP .
WATER RESEARCH, 2002, 36 (09) :2215-2224
[5]   PHOTO-ELECTROCHEMICAL PROPERTIES OF POLYCRYSTALLINE TIO2 THIN-FILM ELECTRODES ON QUARTZ SUBSTRATES [J].
LINDQUIST, SE ;
FINNSTROM, B ;
TEGNER, L .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1983, 130 (02) :351-358
[6]   Photoelectrochemical degradation of naphthol blue black diazo dye on WO3 film electrode [J].
Luo, J ;
Hepel, M .
ELECTROCHIMICA ACTA, 2001, 46 (19) :2913-2922
[7]   Supported titanium oxide as photocatalyst in water decontamination: State of the art [J].
Pozzo, RL ;
Baltanas, MA ;
Cassano, AE .
CATALYSIS TODAY, 1997, 39 (03) :219-231
[8]   ELECTROCHEMICALLY ASSISTED PHOTOCATALYSIS - TIO2 PARTICULATE FILM ELECTRODES FOR PHOTOCATALYTIC DEGRADATION OF 4-CHLOROPHENOL [J].
VINODGOPAL, K ;
HOTCHANDANI, S ;
KAMAT, PV .
JOURNAL OF PHYSICAL CHEMISTRY, 1993, 97 (35) :9040-9044
[9]   ELECTROCHEMICALLY ASSISTED PHOTOCATALYSIS .2. THE ROLE OF OXYGEN AND REACTION INTERMEDIATES IN THE DEGRADATION OF 4-CHLOROPHENOL ON IMMOBILIZED TIO2 PARTICULATE FILMS [J].
VINODGOPAL, K ;
STAFFORD, U ;
GRAY, KA ;
KAMAT, PV .
JOURNAL OF PHYSICAL CHEMISTRY, 1994, 98 (27) :6797-6803
[10]   ELECTROCHEMICALLY ASSISTED PHOTOCATALYSIS USING NANOCRYSTALLINE SEMICONDUCTOR THIN-FILMS [J].
VINODGOPAL, K ;
KAMAT, PV .
SOLAR ENERGY MATERIALS AND SOLAR CELLS, 1995, 38 (1-4) :401-410