Determination of Contact Field Parameters of a Solar Cell with Multiple Nanoheterojunctions
| Authors | E.Z. Imamov1, R.A. Muminov2, M.A. Askarov3, , Kh.N. Karimov1 |
| Affiliations |
1Tashkent University of Information Technologies named after Muhammad al-Khwarizmi, 100084 Tashkent, Uzbekistan 2Physical-Technical Institute, Academy of Sciences of the Republic of Uzbekistan, 100084 Tashkent, Uzbekistan 3Tashkent Institute of Chemical Technology, 100011 Tashkent, Uzbekistan |
| Е-mail | asqarovm@list.ru |
| Issue | Volume 17, Year 2025, Number 5 |
| Dates | Received 15 August 2025; revised manuscript received 21 October 2025; published online 30 October 2025 |
| Citation | E.Z. Imamov, R.A. Muminov, M.A. Askarov, et al., J. Nano- Electron. Phys. 17 No 5, 05017 (2025) |
| DOI | https://doi.org/10.21272/jnep.17(5).05017 |
| PACS Number(s) | 73.50.Pz, 73.63.Bd, 84.60.Jt |
| Keywords | Solar cell (51) , Silicon (58) , Nanoheterojunction Si:PbX, Lead chalcogenides, Non-Crystalline, Efficiency (24) . |
| Annotation |
Based on a non-standard choice of contact materials: non-crystalline silicon and nanosized crystalline lead chalcogenides (PbX), the possibilities of increasing the efficiency of solar cells by creating a solar cell with multiple nanoheterojunctions are substantiated. Based on the principle of self-organization, the possibilities of growing PbX nanocrystals in the form of coherent nanostructures on the surface of non-crystalline silicon are shown. The dependence of the solar cell efficiency on the properties of the materials of its components is determined. The features of the formation of the con-tact field of the solar cell are shown and its electrical parameters are calculated. The parameters of the contact field of the Si:PbX nanoheterojunction are calculated by solving the Poisson equation. The mechanism of contact field formation by equalizing the Fermi levels is explained, and the state of the final Fermi level is calculated. To determine the optimal parameters of the contact field of the nanoheterojunction, the number of electrons transferred from silicon to PbX was calculated. Calculations show that the parameters of the contact field of the nanoheterojunction Si:PbX are not inferior to similar parameters of conventional silicon solar cells. |
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List of References |
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