Figure 1: Effect of PEDOT:PSS and CPE-K on optical property and perovskite crystallinity.
From: Conjugated polyelectrolyte hole transport layer for inverted-type perovskite solar cells
(a) Comparison of transmittance between PEDOT:PSS and CPE-K on the ITO substrate. (b) XRD patterns of perovskite films on PEDOT:PSS and CPE-K layer.
