Key engineering materials, Год журнала: 2024, Номер 1003, С. 43 - 53

Опубликована: Дек. 20, 2024

This study investigates the modeling and optimization of a single solar cell structure, utilizing inorganic double perovskite Cs₂AuBiCl₆. material features an A₂BB'X₆ composition possesses bandgap energy 1.12 eV. The fundamental structure has been described, physical parameters its primary layers have outlined. A simulation model was developed to calculate current-voltage characteristics photovoltaic parameters, taking into account recombination rates due defects within absorber at interfaces with electron transport layer (ETL) hole (HTL). influence various analyzed, including bulk interface density defects, thicknesses, back contact work function operating temperature. Additionally, performance structures alternative materials for ETL HTL evaluated. impact offsets absorbing considered identify that enhance collection photogenerated carriers ultimately improve efficiency. simulations revealed optimized demonstrated enhanced compared initial design. achieved yield 18.4 %, representing increase 5.4 % over basic key metrics including, short-circuit current Jsc = 36.75 mA/cm², fill factor FF 76.76 open-circuit voltage V oc 0.5879 V. Given narrow value, further examined in tandem configuration, showcasing potential high-efficiency devices reaching 33 %. significantly contributes development efficient, stable, non-toxic cells applications, paving way advancements sustainable technologies.

Язык: Английский