Figure 3
From: Self-healing perovskite solar cells based on copolymer-templated TiO2 electron transport layer
(a) The UV–Vis absorption spectra of the perovskite on different titania films, and (b) PL intensity for perovskite, RP-TiO2 ETL/perovskite, and CT-TiO2 ETL/perovskite.
