fig11

Figure 11. Performance of (BA)₂PbBr₄ single crystal-based photodetectors. (A) Schematic illustration and optical image and (B) current-voltage curves in the dark and under red, green, and blue light (634, 515, and 447 nm, respectively) of (BA)₂PbBr₄ photodetector. Reprinted with permission from ref.^[3]: Copyright 2022, Springer Nature. (C) I-V curves in the dark and different power densities from 9 × 10^-5 to 113 mW/cm², and relationship between (D) photocurrent and (E) responsivity at a 5 V bias. Reprinted with permission from ref.^[63]: Copyright 2023, Wiley-VCH GmbH.