Fig. 6
From: Perovskite single-crystal thin films: preparation, surface engineering, and application
Growth of PVK SCTFs via vapor deposition. a Characterization of the surface morphology of the CsPbBr3 SCTF, which was epitaxially grown on a ZnSe (100) substrate. b XRD patterns of the CsPbBr3 SCTF (red line), ZnSe (100) (blue line), and reference (black line). c EBSD pole figures and simulations for CsPbBr3 (left) and ZnSe (right). d Schematic of the epitaxial growth of the CsPbBr3 SCTF on the ZnSe (100) substrate. Reproduced with permission from Ref. [61]. Copyright 2019, WILEY-VCH. e Crystal structure of CsPbBr3. f Schematic of the fabrication of the CsPbBr3 SCTF via the CVD method. g Polarized optical microscopy image of a single grain. Inset shows the photograph of the CsPbBr3 SCTF with mm-scale grains. h Crystal and surface characterizations of the CsPbBr3 SCTF. Reproduced with permission from Ref. [62]. Copyright 2021, WILEY-VCH