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@article{1855525,
author = {Nouasria, F. Z. and Selloum, D. and Henni, A. and Tingry, S. and Hrbáč, Jan},
article_number = {9},
doi = {http://dx.doi.org/10.1016/j.ceramint.2022.01.207},
keywords = {Thin films; Heterojunction; Electrodeposition; Photocatalysis; Sunlight irradiation; Organic dyes},
language = {eng},
issn = {0272-8842},
journal = {Ceramics International},
title = {Improvement of the photocatalytic performance of ZnO thin films in the UV and sunlight range by Cu doping and additional coupling with Cu2O},
url = {https://www.researchgate.net/publication/358065575_Improvement_of_the_photocatalytic_performance_of_ZnO_thin_films_in_the_UV_and_sunlight_range_by_Cu_doping_and_additional_coupling_with_Cu2O},
volume = {48},
year = {2022}
}
TY - JOUR
ID - 1855525
AU - Nouasria, F. Z. - Selloum, D. - Henni, A. - Tingry, S. - Hrbáč, Jan
PY - 2022
TI - Improvement of the photocatalytic performance of ZnO thin films in the UV and sunlight range by Cu doping and additional coupling with Cu2O
JF - Ceramics International
VL - 48
IS - 9
SP - 13283-13294
EP - 13283-13294
PB - Elsevier Ltd
SN - 02728842
KW - Thin films
KW - Heterojunction
KW - Electrodeposition
KW - Photocatalysis
KW - Sunlight irradiation
KW - Organic dyes
UR - https://www.researchgate.net/publication/358065575_Improvement_of_the_photocatalytic_performance_of_ZnO_thin_films_in_the_UV_and_sunlight_range_by_Cu_doping_and_additional_coupling_with_Cu2O
N2 - Thin films of ZnO, Cu-doped ZnO, Cu2O and binary Cu2O/Cu-doped ZnO p-n heterojunction thin film were prepared and tested for their heterogeneous photocatalytic activity in the removal of three selected organic dyes: methylene blue (MB), methylene orange (MO) and Congo red (CR). The photocatalytic experiments were carried out under UV light and natural sunlight. The synthesis of the thin film photocatalysts was carried out by an electrochemical deposition method and the resulting films were characterized by scanning electron microscope (SEM), X-ray diffraction (XRD), UV-Vis spectroscopy, electrochemical impedance spectroscopy and capacitance measurements (i.e., Mott-Schottky plots). Under UV illumination, the results showed that the photocatalytic degradation activity is of first-order kinetics and the lifetime of the photogenerated electron-hole pairs of ZnO is increased by the Cu doping. The combination of Cu-doped ZnO and Cu2O allows the construction of a p-n heterojunction that enhances the photocatalytic process, as demonstrated for the photocatalytic degradation of dyes under sunlight irradiation.
ER -
NOUASRIA, F. Z., D. SELLOUM, A. HENNI, S. TINGRY and Jan HRBÁČ. Improvement of the photocatalytic performance of ZnO thin films in the UV and sunlight range by Cu doping and additional coupling with Cu2O. \textit{Ceramics International}. Elsevier Ltd, 2022, vol.~48, No~9, p.~13283-13294. ISSN~0272-8842. Available from: https://dx.doi.org/10.1016/j.ceramint.2022.01.207.
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