Fig. 3: Structural template assisted patterning.
From: Recent progress in the patterning of perovskite films for photodetector applications
a Synthesis of perovskite nanowire arrays in AAO: (I). MAPbI3 precursor solution penetrates the AAO pores, followed by spin coating and annealing (II) Sample is exposed to a DMSO/chlorobenzene solution followed by a short annealing step. Reproduced with permission76, Copyright 2016, American Chemical Society. b Layer-by-layer structure of 32 × 32 MAPbI3 NW image sensor with schematic of porous anodic AAO template assisted growth of a perpendicularly aligned, high-density MAPbI3 NW array. Reproduced with permission77, Copyright 2016, WILEY-VCH Verlag GmbH & Co. KGaA. Weinheim. c Schematics of the wetting-assisted photolithography process for a patterned MAPbI3 perovskite film. Reproduced with permission78, Copyright 2017, American Chemical Society. d Schematic of the spin-on-patterning (SoP) process of a inorganic-organic hybrid perovskite thin film. Reproduced with permission79, Copyright 2017, WILEY-VCH Verlag GmbH & Co. KGaA. Weinheim. e Schematic of the surface tension-controlled technique for the patterned fabrication of regular perovskite MP arrays. Reproduced with permission80, Copyright 2020, American Chemical Society
