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Abstrakty
Photoelectrooxidation of aqueous sodium oxalate on TiO2 thin films has been investigated. The films, prepared by sol-gel dip-coating, were characterised using Scanning Electron Microscopy and X-ray Diffractometry. Photosensitivity of samples was studied using Linear Sweep Voltammetry and Chronoamperometry techniques. The photoelectrochemical performance of thin film electrodes was evaluated in function of heat treatment, number of dip-coatings and applied potential. The percentage of oxalate degradation was determined by calculating the total charge from the photocurrent. The films heat-treated at 773 K were better fitted to indirect optical transition with Eg = 3.21 eV.
Słowa kluczowe
Wydawca
Czasopismo
Rocznik
Tom
Strony
99--110
Opis fizyczny
Bibliogr. 22 poz.
Twórcy
autor
- Department of Chemistry, Faculty of Science and Environmental Studies, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan,Malaysia
autor
- Department of Chemistry, Faculty of Science and Environmental Studies, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan,Malaysia
autor
- Department of Chemistry, Faculty of Science and Environmental Studies, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan,Malaysia
autor
- Department of Chemistry, Faculty of Science and Environmental Studies, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan,Malaysia
Bibliografia
- [1] WANG H., ADESINA A.A., Appl. Catal. B: Environ., 14 (1997), 241.
- [2] BANGUN J., ADESINA A.A., Appl. Catal. A: General., 175 (1997), 221.
- [3] OLLIS D.F., PELIZZETTI E., SERPONE N., Environ. Sci. Technol., 25 (1991), 1523.
- [4] PELIZZETTI E., SERPONE N. (Eds), Photocatalyst: Fundamental and Applications, Wiley, New York,1991.
- [5] PAREEK V., BRUNGS M.P., ADESINA A.A., Adv. Env. Res., 7 (2002), 411.
- [6] HOFFMAN M.R.,MARTIN S.T., CHOI W.Y., BAHNEMANN D.W., Chem. Rev., 95 (1995), 69.
- [7] NEPPOLIAN B., CHOI H.C., SAKTHIVEL S., ARABINDOO B., MURUGESAN V., J. Hazardous Materials, B89 (2002), 303.
- [8] LEA J., ADESINA A.A., Chem. Eng. Sci., 54 (1999), 2209.
- [9] BRYNE J.A., EGGINS B.R., J. Electroanal. Chem., 457 (1998), 61.
- [10] BRYNE J.A., EGGINS B.R., BROWN N.M.D., MCKINNEY B., ROUSE M., Appl. Catal. B: Environ., 17 (1998), 25.
- [11] LI X.Z., LI F.B., FAN C.M., SUN Y.P., Water. Res., 36 (2002), 2215.
- [12] HIDAKA H., SHIMURA T., AJISAKA K., HORIKOSHI S., ZHAO J., SERPONE N., J. Photochem. Photobiol.A: Chem., 109 (1997), 165.
- [13] VINODGOPAL K., KAMAT P.V., Sol. Energy Mater. Sol. Cells, 38 (1995), 401.
- [14] ULRICH D.R., Chemtech (1988) April 242.
- [15] COLOMER M.T., JURADO J.R., Chem. Materials, 12 (2000), 923.
- [16] YOKO T., YUASA A., KAMIYA K., SAKKA. S., J. Electrochem. Soc., 138 (1991), 2279.
- [17] YOKO T., HU L., KOZUKA H., SAKKA S., Thin Solid Films, 283 (1996), 188.
- [18] MIZUSHIMA K., TANAKA M., ASAI A., IIDA S., GOODENOUGH J.B., J. Phys. Chem. Solids, 40 (1979), 1129.
- [19] MIKULA M., BLEACHA J., CEPPAN M., J. Electrochem. Soc., 139 (1992), 3470.
- [20] VINODGOPAL K., HOTCHANDANI S., KAMAT P.V., J. Phys. Chem., 97 (1993), 9040.
- [21] VINODGOPAL K., STAFFORD U., GRAY K.A., KAMAT P.V., J. Phys. Chem., 98 (1994), 6797.
- [22] POZNYAK S.K., TALAPIN D.V., KULAK, A.I., J. Phys. Chem. B, 105 (2001), 4816
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPW7-0003-0009