期刊
JOURNAL OF MOLECULAR LIQUIDS
卷 306, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.molliq.2020.112905
关键词
ZnO/TiO2 thin film photocatalyst; Photocatalytic activity; Network kinetic model; Dye degradation; Orange G
资金
- Scientific and Technological Research Council of Turkey (TUBITAK) [214M658]
The ZnO/TiO2 solution of the thin-film photocatalyst was prepared by using the sol-gel method. The prepared solution was coated on a quartz plate by using the dip-coating method. For the characterization of synthesized ZnO/TiO2 photocatalyst, SEM-EDS, XRD and chronoamperometty measurements were used. To determine photocatalytic activity and kinetic model studies, the degradation of Orange G dye which is frequently used in the textile industry on ZnO/TiO2 photocatalyst was investigated. Using the results of kinetic experiments by examining the effects of different initial dye concentrations, temperature and light intensities, the degradation of Orange G dye on ZnO/TiO2 photocatalyst was found to be in accordance with the Network Kinetic Model, and the calculated equilibrium constant and activation energies of the ZnO/TiO2 thin film photocatalyst arc 20.02 and 16.16 kJ/mol, respectively. (C) 2020 Elsevier B.V. All rights reserved.
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