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Ultima descărcare din IBN: 2024-03-29 23:21 |
SM ISO690:2012 LUNGU, Ion, GAGARA, Ludmila, POTLOG, Tamara, GHIMPU, Lidia. Synthesis and electrophysical properties of CdS/ZnTe heterojunctions. In: Moldavian Journal of the Physical Sciences, 2022, nr. 1(21), pp. 42-51. ISSN 1810-648X. DOI: https://doi.org/10.53081/mjps.2022.21-1.04 |
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Moldavian Journal of the Physical Sciences | ||||||
Numărul 1(21) / 2022 / ISSN 1810-648X /ISSNe 2537-6365 | ||||||
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DOI:https://doi.org/10.53081/mjps.2022.21-1.04 | ||||||
Pag. 42-51 | ||||||
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In this paper results of studying CdS/ZnTe heterostructures synthesized by the quasi-closed space sublimation method on glass substrates coated with an ITO layer are described. The electrical and photoelectric properties of the structures are studied using current–voltage and capacitance–voltage characteristics in a temperature range of 30–100 °C. Analysis of the experimental data shows that the main specific feature of CdS/ZnTe structures is the formation of a high-resistance transition layer, which affects the separation of carriers at the barrier contact. The current carrier concentration in the space charge region, which is determined from the capacitance–voltage characteristics, is 1 x 1015 cm-3; this fact suggests that one of the contacting materials—ZnTe—exhibits a high resistivity. Measurements of current–voltage characteristics in the solar cell mode give the following photoelectric parameters: open circuit voltage (UOC = 0.53 V, JSC = 27–30 µA/cm2, and FF = 0.25. |
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Cuvinte-cheie quasi-closed space sublimation method, diffraction patterns, current–voltage characteristics, capacitance–voltage characteristics, Solar cells, metoda volumului cvasi-închis, difracția de raze X, caracteristica curent–tensiune, caracteristica capacitate–tensiune, celulă solară |
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