Figure 2: Perovskite film morphology.
From: Conjugated polyelectrolyte hole transport layer for inverted-type perovskite solar cells
SEM top-view images of perovskite films spin-coated on top of (a) PEDOT:PSS and (b) CPE-K. Scale bar, 2 μm.
Figure 2: Perovskite film morphology. | Nature Communications
