| Issue |
E3S Web Conf.
Volume 641, 2025
The 17th International Scientific Conference of Civil and Environmental Engineering for the PhD. Students and Young Scientists – Young Scientist 2025 (YS25)
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|---|---|---|
| Article Number | 01020 | |
| Number of page(s) | 5 | |
| Section | Civil Engineering | |
| DOI | https://doi.org/10.1051/e3sconf/202564101020 | |
| Published online | 12 August 2025 | |
Study of the influence of doping and layer thickness on the efficiency of ZnO/porous-Si/Si photoconverters
Dmytro Motornyi Tavria State Agrotechnological University, 66 Zhukovsky Street, Zaporizhzhia, 69600, Ukraine
* Corresponding author: alena.dyadenchuk@tsatu.edu.ua
The article investigates the effect of doping and layer thickness on the efficiency of solar cells based on the ZnO/porous-Si/Si heterojunction using PC1D simulation. The results show that optimizing the ZnO and porous-Si layers' thickness significantly affects the solar cell's performance. The maximum current value was achieved at a ZnO thickness of 10 μm and porous-Si of 1 μm. In comparison, with an increase in the thickness to 15 μm, the material approaches the bulk, which reduces the efficiency due to increased carrier recombination. A significant effect of the doping concentration of the ZnO film was found. When the doping concentration increased to 1019 cm⁻³, the highest efficiency was achieved – 22.6%. However, excessive doping causes increased carrier recombination, which leads to a decrease in cell performance.
© The Authors, published by EDP Sciences, 2025
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