Figure 3
From: Ultrathin polymeric films for interfacial passivation in wide band-gap perovskite solar cells
(a) Photoluminescence (PL) and (b) absorption spectra of cells with the structure FTO/c-TiO2/meso-TiO2/PCBM/MAPbBr3/PMMA and FTO/c-TiO2/meso-TiO2/MAPbBr3.
