Solar Cell-based Perovskite Simulation and Photodetector Applications

Abstract

A CH3NH3PbI3-xClx perovskite based device has been simulated to analyze its performance as solar cell and photodetector. The device shows high power conversion efficiency and open circuit voltage as a solar cell. It is shown that the thickness of perovskite absorber and the choice of electrode material have significant impact on the performance of the perovskite solar cell. The maximum power conversion efficiency of 22.7% and open circuit voltage of 1.13V is obtained after optimization of the device parameters. The same device also shows impressive response as a photodetector. It achieves maximum responsivity of 0.45 A/W at a wavelength of 600 nm and a detectivity of 6.01×1011 Jones for perovskite absorber thickness of 500 nm. Effect of bulk and interface defects of perovskite absorber film on the performance of photodetector has also been studied. The results show that the perovskite device is a suitable candidate for both the solar cell and photodetector applications.