Fig. 14: Perovskite nanocrystal photodetectors and device fabrication.
From: Recent progress in the patterning of perovskite films for photodetector applications
a Transmission electron microscope (TEM) images of CsPbI3 NCs. Reproduced with permission122, Copyright 2016, Royal Society of Chemistry. b Schematic of the CsPbI3 NCs PD (L = 3 μm, W = 7800 μm). Reproduced with permission122, Copyright 2016, Royal Society of Chemistry. c Schematic of graphene–CsPbBr3-xIx NCs PD. Reproduced with permission141, Copyright 2016, Royal Society of Chemistry. d Optical image of the graphene device. Reproduced with permission141, Copyright 2016, Royal Society of Chemistry. e TEM image of anion exchanged CsPbBr3-xIx NCs. Reproduced with permission141, Copyright 2016, Royal Society of Chemistry. f Schematic of the key fabrication procedures for perovskite-based devices produced by inkjet printing. Reproduced with permission128, Copyright 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. g Photography of X-ray detector arrays on 4-inch wafer. Reproduced with permission128, Copyright 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. h Schematic of the configuration and working principle of the X-ray detector. Reproduced with permission128, Copyright 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. i Schematic of flexible perovskite-based X-ray detector arrays on a PET substrate. Reproduced with permission128, Copyright 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. j Photograph of a flexible device under bending. Reproduced with permission128, Copyright 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. k Schematic of the CsPbBr3 NC PD device structure and a microscope image of interdigitated electrodes with a finger width of 10 μm. Reproduced with permission143, Copyright 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
