| Issue |
E3S Web Conf.
Volume 649, 2025
2nd International Conference on Materials Sciences and Mechatronics for Sustainable Energy and the Environment (MSMS2E 2025)
|
|
|---|---|---|
| Article Number | 01003 | |
| Number of page(s) | 9 | |
| DOI | https://doi.org/10.1051/e3sconf/202564901003 | |
| Published online | 10 September 2025 | |
Current Flow Mechanisms and Photoelectric Properties of Solar Cells Based on p-CdTe-n-CdS and p-CdTe-n-CdSe Heterostructures with Deep Impurity Levels
Fergana State University, 150100, Fergana City, Uzbekistan
* Corresponding author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Abstract
In this paper, we consider the mechanisms of the flow current and photoelectric properties of solar cells manufactured on the basis of strongly mismatched semiconductor p-CdTe-n-CdS and p-CdTe-n-CdSe heterojunctions with a low density of surface states N=3·1011sm-2. It was found that the forward current in heterojunctions is due to tunneling of thermally excited electrons, and at large forward biased currents, thermionic nature. The reverse current of such structures has a tunneling nature. It is shown that the structures have a photoconversion efficiency of 0.7 and 0.8 el/sq in the spectral region of 0.4 and 3.0 eV in the near-infrared region of the spectrum.
© The Authors, published by EDP Sciences, 2025
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