fig16
Figure 16. (A) Schematic illustrations of the photoelectric process in the present Au/(DGA)PbI4/Au device under X-ray radiation. Reprinted with permission from ref.[25]: Copyright 2022, Wiley-VCH GmbH. (B) Photographs of DJ perovskite single crystals of (3AP)PbX4 (X = I, Br, and Cl). (C) Current response of (3AP)PbCl4 single-crystal X-ray detector under various voltages with