Podrobný výpis o publikaci

NOUASRIA, F. Z., D. SELLOUM, A. HENNI, S. TINGRY a 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. Ceramics International. Elsevier Ltd, 2022, roč. 48, č. 9, s. 13283-13294. ISSN 0272-8842. Dostupné z: https://dx.doi.org/10.1016/j.ceramint.2022.01.207.

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Základní údaje
Originální název	Improvement of the photocatalytic performance of ZnO thin films in the UV and sunlight range by Cu doping and additional coupling with Cu2O
Autoři	NOUASRIA, F. Z., D. SELLOUM (garant), A. HENNI, S. TINGRY a Jan HRBÁČ (203 Česká republika, domácí).
Vydání	Ceramics International, Elsevier Ltd, 2022, 0272-8842.

Další údaje
Originální jazyk	angličtina
Typ výsledku	Článek v odborném periodiku
Obor	10403 Physical chemistry
Stát vydavatele	Velká Británie a Severní Irsko
Utajení	není předmětem státního či obchodního tajemství
WWW	URL URL
Impakt faktor	Impact factor: 5.200
Kód RIV	RIV/00216224:14310/22:00125869
Organizační jednotka	Přírodovědecká fakulta
Doi	http://dx.doi.org/10.1016/j.ceramint.2022.01.207
UT WoS	000784446000002
Klíčová slova anglicky	Thin films; Heterojunction; Electrodeposition; Photocatalysis; Sunlight irradiation; Organic dyes
Štítky	rivok
Příznaky	Mezinárodní význam, Recenzováno
Změnil	Změnila: Mgr. Marie Šípková, DiS., učo 437722. Změněno: 10. 1. 2023 11:02.

Anotace
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.

Anotace

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.