Abstract
This study introduces an environment‐friendly perovskite photodetector (PPD) utilizing the inorganic–organic perovskite CH3NH3SnI3 as the light‐absorbing layer. Perovskite materials, known for their exceptional optoelectronic properties, hold significant promise in photodetector fabrication. The proposed device architecture strategically employs NiO and TiO2 layers to facilitate efficient hole and electron transport. The CH3NH3SnI3‐based PPD demonstrates outstanding quantum efficiency across the visible spectrum, extending into infrared regions. It exhibits a responsivity of 0.68 A W−1 and a detectivity of 3.81 × 1013 Jones. Comprehensive defect and temperature analyses are performed to understand the behavior of the proposed device. These results underscore the potential of less toxic perovskite alternatives for high‐performance photodetectors. All simulations are conducted using the SCAPS‐1D simulator to ensure the validity of the findings.
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