fig13

Figure 13. (A) Schematic diagram of 2D DJ perovskite single crystal photodetector. (B) I-V curves of the (BDA)PbI₄ single crystal photodetector under the dark and 462 nm illumination with intensities from 8.8 × 10^-6 to 288.2 mW cm^-2. (C) Linear dynamic range (LDR) of the device measured at 2 and 4 V biases. Reprinted with permission from ref.^[73]: Copyright 2020, Wiley-VCH GmbH. (D) Current-voltage (I-V) curves of the (DMePDA)PbI₄ (red) and (BDA)PbI₄ (blue) devices under identical light conditions at 532 nm. Photocurrent response stability for the (E) (DMePDA)PbI₄ and (F) (BDA)PbI₄ single crystal detector under identical conditions in ambient air. Reprinted with permission from ref.^[72]: Copyright 2024, American Chemical Society.