UV-Photodetectors Based on Zinc Oxide Films Doped with Aluminum and Nickel
https://doi.org/10.35596/1729-7648-2024-22-4-14-21
Abstract
By combining sol-gel and hydrothermal deposition methods on glass substrates, thin-film coatings of zinc oxide doped with nickel and aluminum were obtained. Studies of the structure and composition of the films using scanning electron microscopy, energy-dispersive X-ray and Raman spectroscopy have shown that they consist of close-packed zinc oxide crystallites doped with impurity atoms of nickel and aluminum. Resistive type photodetectors were manufactured based on the films obtained. It has been shown that when irradiated with ultraviolet light with a wavelength less than 400 nm, the resistivity of the structure decreases from 190–210 to 7.5–8.0 Ohm⋅cm. The achieved response time for the rise of the light pulse is 48 s, while the decay time is ≈700 s.
About the Authors
I. A. Grekov
Belarusian State University of Informatics and Radioelectronics (BSUIR)
Belarus
Belarus
Grekov Igor Alexandrovich, Postgraduate at the Department of Micro and Nanoelectronics, Junior Researcher at the Scientific Research Laboratory “Materials and Structures of Nanoelectronics” (Lab. 4.3),
6, P. Brovki St., Minsk, 220013.
Phone: +375 33 667-93-28
K. O. Yanushkevich
Belarusian State University of Informatics and Radioelectronics (BSUIR)
Belarus
Belarus
Yanushkevich K. O., Postgraduate at the Department of Micro- and Nanoelectronics, Junior Researcher at the Lab. 4.3,
Minsk.
E. B. Chubenko
Belarusian State University of Informatics and Radioelectronics (BSUIR)
Belarus
Belarus
Chubenko E. B., Cand. of Sci., Associate Professor, Associate Professor at the Department of Micro- and Nanoelectronics, Senior Researcher at the Lab. 4.3,
Minsk.
V. P. Bondarenko
Belarusian State University of Informatics and Radioelectronics (BSUIR)
Russian Federation
Russian Federation
Bondarenko V. P., Cand. of Sci., Associate Professor, Head of the Lab. 4.3,
Minsk.
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Review
For citations:
Grekov I.A., Yanushkevich K.O., Chubenko E.B., Bondarenko V.P. UV-Photodetectors Based on Zinc Oxide Films Doped with Aluminum and Nickel. Doklady BGUIR. 2024;22(4):14-21. (In Russ.) https://doi.org/10.35596/1729-7648-2024-22-4-14-21
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