Research Article

Effect of Codoping Cl Anion and 5-AVA Cation on Performance of Large-Area Perovskite Solar Cells with Double-Mesoporous Layers

Figure 8

(a) The UV-vis spectra of FTO glass/cp-TiO2/mp-TiO2 films filling with MAPbI3 (black) and (5-AVAPbI3 (blue). (b) The IPCE curves and corresponding integrated photocurrent curves of the devices with/without doping 5-AVA+.
(a)
(b)