Abstract
The aim of this work is the study of the effect of solution concentration in the optical and electrical properties of copper oxide thin films deposited by ultrasonic spray pyrolysis technique in order to obtain good photoelectric properties which makes it an important candidate in many technological applications. These films are elaborated onto glass substrates from an aqueous solution of copper (II) chloride dihydrate with different solution concentrations. Substrate temperature, nozzle-substrate distance, and deposition time were kept constant during the whole deposition process. After the deposition, we annealed these films in air at 400 °C for 120 min. UV-Visible spectrophotometry and the four-point method were used to evaluate the optical and electrical properties, the films obtained are p-type semiconductors, high optical absorption in the UV-Visible domains, rough surface with good adhesion to the substrate. Optical and electrical properties of undoped copper oxide thin films varied by the variation of solution concentration.
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Herissi, L. et al. (2021). Effect of Solution Concentration in the Optical and Electrical Properties of Copper Oxide Thin Films. In: Chiba, Y., Tlemçani, A., Smaili, A. (eds) Advances in Green Energies and Materials Technology. Springer Proceedings in Energy. Springer, Singapore. https://doi.org/10.1007/978-981-16-0378-5_2
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DOI: https://doi.org/10.1007/978-981-16-0378-5_2
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