Fabrication of CdSe/Si Thin Films Solar Cell by CBD

Authors S.A. Najim
Affiliations

University of Mosul, 41002 Mosul, Iraq

Е-mail suhaabdullah@uomosul.edu.iq
Issue Volume 16, Year 2024, Number 3
Dates Received 19 April 2024; revised manuscript received 20 June 2024; published online 28 June 2024
Citation S.A. Najim, J. Nano- Electron. Phys. 16 No 3, 03032 (2024)
DOI https://doi.org/10.21272/jnep.16(3).03032
PACS Number(s) 88.40.H –, 88.40.jm
Keywords Thin films (60) , Solar cells (17) , CdSe heterojunction, Nanostructures (8) .
Annotation

Silicon p-type semiconductor is used to be as absorber layer in solar cell. In this work, the influence of CdSe thicknesses (0.1, 0.5, 1, 1.5, 2, 2.5, 3 nm) on the electrical parameters and the conversion efficiency of CdSe/Si solar cell fabricated by chemical bath deposition have been investigated before and after annealing at 873 K in one hour. It has been found that the short-circuit current density, open-circuit voltage and conversion efficiency increased as CdSe thicknesses increased. The maximum value of efficiency reached approximately 5.31% at 3 nm of CdSe thickness. After annealing, conversion efficiency was improved and it was 8.74%. Additionally, the characteristics of current density voltage solar cell investigated in the dark. The structure of CdSe/Si heterojunction solar cell was crystallized in hexagonal from XRD measurements. It has been found that the intensity for all peaks a decrease after annealing process at a temperature 873 K.

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