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RAZIKA TALA-IGHIL1,2,* , FAYÇAL BENSOUICI2, BILEL LARAB2, SAMIR BACHIR2, MAHDIA TOUBANE2, DJEDJIGA HAOUANOH2, AICHA IRATNI2
The present work focuses on the structural and optical properties study of undoped zinc oxide ZnO and tin-doped zinc oxide ZnO:Sn thin films deposited by the spray pyrolysis technique. Variations of zinc acetate concentration and substrate temperature have been made. Two concentrations and two substrate temperatures values have been adopted: 0.4 mol/l, 0.5 mol/l and 400°C, 500°C, respectively. Doped zinc oxide layers have been realized by adding tin tetrachloride (SnCl4) in the sprayed solution. The films were characterized by X-ray diffraction (XRD) and UV-visible spectroscopy to determine their structural and optical properties. For the 0.4mol/l zinc acetate precursor concentration, a high crystallinity for the doped layers is noticed compared to the undoped ones, while in the case of 0.5 mol/l zinc acetate, the opposite behaviour is remarked, between the doped and the undoped layers. By analyzing the transmission and reflection spectra, it was found that zinc oxide energy gap shifts to lower values with tin doping and with substrate temperature increase. It is enhanced with precursor concentration rise..
Tin doped zinc oxide, Undoped zinc oxide, Zinc acetate precursor, Front electrode, Solar cells.
RAZIKA TALA-IGHIL, FAYÇAL BENSOUICI, BILEL LARAB, SAMIR BACHIR, MAHDIA TOUBANE, DJEDJIGA HAOUANOH, AICHA IRATNI, Optimized tin-doped and undoped zinc oxide thin layers for photovoltaic application, Optoelectronics and Advanced Materials - Rapid Communications, 11, 5-6, May-June 2017, pp.332-336 (2017).
Submitted at: March 2, 2016
Accepted at: June 7, 2017
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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