Fig. 17: Growth and device integration of large-area perovskite nanowire/microwire arrays.
From: Recent progress in the patterning of perovskite films for photodetector applications
a Schematic of selected area growth. Reproduced with permission148, Copyright 2015, Royal Society of Chemistry. b SEM images from three neighboring selected areas and one integrated area. Reproduced with permission148, Copyright 2015, Royal Society of Chemistry. c Schematic of aligned NW growth. The evaporation direction is indicated by arrows. Reproduced with permission148, Copyright 2015, Royal Society of Chemistry. d Optical images of NW grown by a modified evaporation-induced self-assembly method. Reproduced with permission148, Copyright 2015, Royal Society of Chemistry. e Optical image of a typical PD with a scale bar of 200 μm. Reproduced with permission148, Copyright 2015, Royal Society of Chemistry. f Illustration of the one-step blade coating process for the fabrication of single-crystal MAPbI3 MW arrays. Reproduced with permission149, Copyright 2016, WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. g Optical microscope and SEM images of the MW arrays. Reproduced with permission149, Copyright 2016, WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. h Cross-polarized optical image of the MW arrays. Reproduced with permission149, Copyright 2016, WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. i Cross-sectional SEM image of the MW arrays and a magnified SEM image. Reproduced with permission149, Copyright 2016, WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. j Measurement setup for scanning polycarbonate characterization. Reproduced with permission149, Copyright 2016, WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. k Optical microscope image of the scanning area in the device. The size of the laser spot is indicated by the red point. Reproduced with permission149, Copyright 2016, WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. l Photographs of the device when bent. Reproduced with permission149, Copyright 2016, WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. m SEM images of directional CsPbBr3 NW growth along faceted M-plane sapphire. Reproduced with permission150, Copyright 2017, American Chemical Society. n High-magnification SEM images of CsPbBr3 NW. Reproduced with permission150, Copyright 2017, American Chemical Society. o SEM image of the as-fabricated device. Reproduced with permission150, Copyright 2017, American Chemical Society. p Exploded view of an electrochemical eye (EC-EYE). Reproduced with permission65, Copyright 2020, The Author(s), under exclusive license to Springer Nature Limited. q High-resolution transmission electron microscope image of a single-crystal perovskite nanowire. Reproduced with permission65, Copyright 2020, The Author(s), under exclusive license to Springer Nature Limited. r Schematic of the measurement setup. Reproduced with permission65, Copyright 2020, The Author(s), under exclusive license to Springer Nature Limited. s Reconstructed image (letter ‘A’) of EC-EYE and its projection on a flat plane. Reproduced with permission65, Copyright 2020, The Author(s), under exclusive license to Springer Nature Limited
