Fifth Author's Department

Physics Department

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https://doi.org/10.1038/s41598-024-63133-5

All Authors

S. Sanad, Abdel Rahman M. Ghanim, Nasr Gad, M. El-Aasser, Ashraf Yahia, Mohamed A. Swillam

Document Type

Research Article

Publication Title

Scientific Reports

Publication Date

12-1-2024

doi

10.1038/s41598-024-63133-5

Abstract

Our research focuses on enhancing the broadband absorption capability of organic solar cells (OSCs) by integrating plasmonic nanostructures made of Titanium nitride (TiN). Traditional OSCs face limitations in absorption efficiency due to their thickness, but incorporating plasmonic nanostructures can extend the path length of light within the active material, thereby improving optical efficiency. In our study, we explore the use of refractory plasmonics, a novel type of nanostructure, with TiN as an example of a refractory metal. TiN offers high-quality localized surface plasmon resonance in the visible spectrum and is cost-effective, readily available, and compatible with CMOS technology. We conducted detailed numerical simulations to optimize the design of nanostructured OSCs, considering various shapes and sizes of nanoparticles within the active layer (PM6Y6). Our investigation focused on different TiN plasmonic nanostructures such as nanospheres, nanocubes, and nanocylinders, analyzing their absorption spectra in a polymer environment. We assessed the impact of their incorporation on the absorbed power and short-circuit current (Jsc) of the organic solar cell.

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