High-gain and fast-response metal-semiconductor-metal structured organolead halide perovskite photodetectors.

Organolead halide perovskite photodetectors with a simple metal-semiconductor-metal (M-S-M) structure were fabricated. The photodetectors exhibit high optoelectronic performance with a high photoconductive gain in the order of 102 and high responsivity above 150 A W−1. Meanwhile, the photodetectors show a large linear dynamic range of 120 dB, and a short response time of 0.67 µs. The organolead halide perovskite photodetectors with a simple M-S-M structure demonstrate great potential for low-cost and high-performance optoelectronic device applications. [ABSTRACT FROM AUTHOR]