Fig. 2: Thin film morphologies.
SEM images of a MAPbBr3, b Annealed MAPbBr3, c PTAA/MAPbBr3, d Annealed PTAA/MAPbBr3, and e Cross-sectional view. We confirmed the thicknesses of the formed MAPbBr3 and PTAA to be 300 nm and 5 nm, respectively.
Fig. 2: Thin film morphologies. | NPG Asia Materials
