Abstract:
Organic-inorganic halide perovskite solar cells (PSCs) have received significant research attention due to their low processing cost and high performance. We have modeled perovskite thin-film solar cell, p-i-n structure, with intrinsic layers of bulk methylammonium lead iodide (CH3NH3PbI3) and two-dimensional monolayer of CH3NH3PbI3, which is mainly used to enhance the stability of bulk CH3NH3PbI3 layer. Poly (3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT: PSS), which is an organic hole transporting material (HTM), has been used as a p-type layer. The material fullerene derivative (6,6)-phenyl-C61-butyric acid methyl ester (PCBM), which is an organic electron transporting material (ETL), has been used as an n-type layer. The performance of this perovskite solar cell model was simulated by employing Solar Cell Capacitance Simulator (SCAPS-1D) under indoor low light conditions and outdoor AM1.5G full Sun spectrum. The indoor light intensity produced by the artificial light source is about 20 W/m² as compared to the outdoor light intensity of 1000 W/m2. In this work, Tungsten Halogen lamps were used as low light illumination sources to model the indoor low light conditions. We have obtained the maximum power conversion efficiencies of the baseline model of PSCs under spectrums of 10 W, 20 W, 50 W Tungsten Halogen Lamps, and AM1.5G Sun as 11.47%, 12.04%, 12.16%, and 24.71% respectively with the open-circuit voltages (VOC) of 1.07 V, 1.09 V, 1.12 V, and 1.26 V. According to these results, even for low light conditions, we have obtained opencircuit voltages above 1.0 V and the device efficiencies above 11% compared to outdoor light conditions.
