Incorporating n-Octylammonium iodide into the perovskite layer can lead to improved stability of the solar cell. It helps reduce the presence of defects and grain boundaries within the perovskite film, which can enhance the long-term stability and durability of the device under operating conditions. The choice of organic cation, such as n-Octylammonium iodide, in the perovskite layer can contribute to enhancing the power conversion efficiency of the solar cell.', 'Organohalide based perovskites have emerged as an important class of material for solar cell applications. The variations/substitution in organohalide cations and anions is employed for the optimization of the band gap, carrier diffusion length, and power conversion efficiency of perovskites based solar cells.
