Abstract
The ZnO thin layers were grown on glass, InP and pInP-nCdS substrates from zinc acetate dissolved in water-acetic acid-methanol solution having a molarity of 0.2 M by using the spray method in the argon flow in the temperature range of (250–450) °C. The dependence of optical properties of ZnO layers on growth temperature have been investigated. The optical transmittance has values of 80–85% in the wavelength range of (200–1000) nm. The using of ZnO of the thickness of (60–80) nm as antireflective layers in nCdS-pInP structures allowed to increase the photovoltaic cell efficiency by 3%. The photosensitivity of the fabricated nZnO-pInP structures covers the wavelength region from 450 nm up to 1100 nm and allows the more efficient utilization of the incident light.
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The authors would like to thank the Ministry of Education, Culture and Research of Republic of Moldova for supporting this research by funding the grant 15.817.02.34A.
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Botnariuc, V. et al. (2020). ZnO Nanometric Layers Used in Photovoltaic Cells. In: Tiginyanu, I., Sontea, V., Railean, S. (eds) 4th International Conference on Nanotechnologies and Biomedical Engineering. ICNBME 2019. IFMBE Proceedings, vol 77. Springer, Cham. https://doi.org/10.1007/978-3-030-31866-6_11
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