Influence of Supplementary Oxide Layer on Solar Cell Performance
Received: 8 January 2024 | Revised: 25 January 2024 | Accepted: 29 January 2024 | Online: 2 April 2024
Corresponding author: Adriana-Gabriela Schiopu
Abstract
The increasing use of solar energy for electricity production has led to a directly proportional growth in the production of solar cells. Photovoltaic (PV) performance of silicon solar cells can be improved by using more efficient technologies, optimizing processes, and changing behavior in order to reduce operational costs and greenhouse gas emissions. In order to propose solutions for commercial solar cell production with better performance, this article presents an experimental assessment on Supplementary Oxide Layers (SOLs) that are deposited on the surface of a solar cell absorber layer. SOLs are typically used to improve the performance of solar cells by passivating surface defects, reducing recombination losses, and improving the electrical contact between the absorber layer and the metal electrodes. The obtained solar cells are tested under natural sunlight conditions, following a variable dynamic electronic charge profile. The experimental results along with the corresponding I-V and P-V curves, are assessed according to the process parameters, the lighting parameters, and the dynamic load scenario. SOLs have been shown to improve the Power Conversion Efficiency (PCE) of solar cells considerably. The proposed method for increasing the energy efficiency of solar cells can be applied to any type of commercial solar cell and it is easy to implement at the industrial or research level by controlling process parameters. The integration of the whole process, i.e. development of precursor solutions, deposition of thin films, and testing of electrical properties is another contribution of the current study, along with its interdisciplinary character, which involves materials science, electronics, and software programming.
Keywords:
solar cells, energy efficiency, spin-coating deposition, metal-oxide film, software acquisition, characterizationDownloads
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Copyright (c) 2024 Mihai Oproescu, Adriana-Gabriela Schiopu, Valentin Marian Calinescu, Vasile-Gabriel Iana, Nicu Bizon, Mohammed Sallah
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