Fig. 1: Surface functionalization of organometal halide perovskite. | Nature Communications

Fig. 1: Surface functionalization of organometal halide perovskite.

From: Breaking dielectric dilemma via polymer functionalized perovskite piezocomposite with large current density output

Fig. 1: Surface functionalization of organometal halide perovskite.

a Cation−π interaction mechanism between FAPbBr2I and the PS. b Raman spectroscopy and c XRD patterns of the pristine FAPbBr2I-PVDF and 1% PS-FAPbBr2I-PVDF films. d ToF-SIMS depth profiling of pristine and e 1% PS-FAPbBr2I-PVDF films. f FE-SEM images of the grains of plain FAPbBr2I and g 1% PS-functionalized FAPbBr2I thin film (insets show the grain size distribution curves). h AFM surface topography image of the 1% PS-FAPbBr2I film. Source data are provided as a Source Data file.

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