Photodetectors based on inorganic halide perovskites: Materials and devices
Li Ying1, Shi Zhi-Feng1, †, Li Xin-Jian1, Shan Chong-Xin1, 2, ‡
       

(a) Configuration schematic of the device based on CsPbBr3 nanosheets. (b) High-magnification SEM images of the device. (c) I–V characteristics of the photodetector in the dark and under irradiation with 442-nm light (0.35 mW/cm2). Inset: working principle of the photodetector. (d) Normalized high-resolution photoresponse, showing the rise and decay times.[72]