Fig. 4: Performance of Sn-Pb perovskite imager.

a Structure diagram of Sn-Pb perovskite imager. b Schematic diagram of the imaging processes. c Photograph of Sn-Pb perovskite imager. d Pixel grayscale distribution of Sn-Pb perovskite imager. e Dead pixels and hot pixels of the Sn-Pb perovskite imager. f ISO-12233 test chart imaged by the Sn-Pb perovskite imager with a 940 nm LED. g Dynamic range chart-36 imaged by the Sn-Pb perovskite imager with a 940 nm LED. h Photographs of H₂O, C₂Cl₄ and C₂H₅OH captured by phone camera with a visible light (left) and Sn-Pb perovskite imager with a 940 nm LED (right)