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Charge properties and currents in the silicon/nanoparticles of zinc oxide heterostructure irradiated by the solar light

https://doi.org/10.35596/1729-7648-2021-19-8-10-14

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Аннотация

Silicon/zinc oxide heterostructures have shown themselves to be promising for use in photovoltaics. This paper presents the results of modeling the charge properties and currents in a Si/nanosized ZnO particle with different types of conductivity under sunlight irradiation. The simulation was carried out using the Comsol Multiphysics software package. The energy diagrams of the investigated heterostructures were plotted, the charge properties and currents flowing in the structure were investigated, the dependences of the rate of generation of charge carriers on wavelength on the surfaces of silicon, zinc oxide, and at the interface between silicon and zinc oxide, the rate of recombination of charge carriers at various wavelengths of incident radiation was obtained. The regularities of the influence of wavelength of the incident radiation on the charge density and electric potential on the surface of heterostructures have been established. It is shown that the potential on the surface of the p-Si / n-ZnO heterostructure is positive, depends on the wavelength of the incident radiation and reaches the maximum of 0.68 V. For other structures, it is negative and does not depend on the wavelength: n-Si / p-ZnO –0.78 V, p-Si / p-ZnO –0.65 V, n-Si / n-ZnO –0.25 V.

Об авторах

A. A. Kuraptsova
Belarusian State University of Informatics and Radioelectronics
Беларусь


A. L. Danilyuk
Belarusian State University of Informatics and Radioelectronics
Беларусь


Список литературы

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Рецензия

Для цитирования:


Kuraptsova A.A., Danilyuk A.L. Charge properties and currents in the silicon/nanoparticles of zinc oxide heterostructure irradiated by the solar light. Доклады БГУИР. 2021;19(8):10-14. https://doi.org/10.35596/1729-7648-2021-19-8-10-14

For citation:


Kuraptsova A.A., Danilyuk A.L. Charge properties and currents in the silicon/nanoparticles of zinc oxide heterostructure irradiated by the solar light. Doklady BGUIR. 2021;19(8):10-14. https://doi.org/10.35596/1729-7648-2021-19-8-10-14

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ISSN 1729-7648 (Print)
ISSN 2708-0382 (Online)