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Fig. 4 | Nano Convergence

Fig. 4

From: Perovskite single-crystal thin films: preparation, surface engineering, and application

Fig. 4

Space-confined growth of PVK SCTFs. a Antisolvent-assisted crystallization and space-confined strategies for growing MAPbI3 SCTFs. b Optical image of MAPbI3 SCTF (scale bar is 50 μm). Reproduced with permission from Ref. [51]. Copyright 2020, WILEY-VCH. c Schematic of the nucleation and growth of MAPbBr3 SCTF from precursor solution in a confined space. Reproduced with permission from Ref. [52]. Copyright 2022, WILEY-VCH. d Schematic of geometrically confined lateral crystal growth of large-area PVK SCTFs using the roller coating method. Reproduced with permission from Ref. [54]. Copyright 2017, Springer Nature. e Seed printing process for the scalable growth of PVK SCTFs. f X-ray diffraction (XRD) patterns and atomic force microscopy (AFM) profile of PVK SCTFs. Reproduced with permission from Ref. [55]. Copyright 2018, AAAS

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