Abstract
Emerging solar cells, perovskite solar cells (PSCs), promises the world community green energy at a reasonable price. However, more research is needed to improve their efficiency and sustainability. Improving carrier mobilities of the formamidinium triiodide (FAPbI3) perovskite layer is one of the state-of-the-art strategies to increase the photovoltaic performance of PSCs. Here, we employed this strategy thanks to the benzoic acid additive for anisole anti-solvent. Our findings indicate that the benzoic acid improves the crystalline properties of the FAPbI3 photoactive layer, and consequently, the nonradiative recombination is effectively suppressed. The benzoic acid-based PSCs show improved carrier mobilities due to improved interfacial charge extraction and facilitated charge transfer. The acid-treated devices record a maximum efficiency of 22.44% with a reduced hysteresis, while the control devices obtain an efficiency of 19.34%. moreover, the acid-modified PSCs show improved stability behavior against humidity and sun illumination, which paves the way for the PSCs’ commercialization.
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Data will be available based on reasonable request.
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Acknowledgements
The authors present their appreciation to King Saud University for funding this research through Researchers Supporting Program number (RSP2024R397), King Saud University, Riyadh, Saudi Arabia.
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This study was supported by King Saud University for funding this research through Researchers Supporting Program number RSP2024R397, M. Atif.
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Anjan Kumar- Writing—original draft; Mandeep Kaur- Methodology, Investigation; M. Atif-Editing and fund Acquisition; Jatinder Kaur- Review & editing; Johar MGM—Writing- review & editing; Muhammad Irsyad Abdullah- Conceptualization; Mohammed A. El-Meligy- Editing and fund Acquisition; Parminder Singh-Experimentation.
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Kumar, A., Kaur, M., Atif, M. et al. Perovskite solar cells with a performance exceeding 20% with benzoic acid-assisted green anti-solvent. J Mater Sci: Mater Electron 35, 1753 (2024). https://doi.org/10.1007/s10854-024-13523-2
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DOI: https://doi.org/10.1007/s10854-024-13523-2