Figure 5.
SEM images of a) MASnI3, b) (FA)0.25(MA)0.75SnI3, c) (FA)0.50(MA)0.50SnI3, d) (FA)0.75(MA)0.25SnI3, and e) FASnI3 films deposited on ITO/PEDOT:PSS substrates (scale bar: 3.0 µm).
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