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

Figure 9

(a) J-V characterization of the optimal single-mesoporous-based PSCs with doping Cl⁻, 5-AVA⁺, and codoping (Cl⁻ and 5-AVA⁺). (b) The IPCE curves and integrated photocurrent curves of the best-performing single-mesoporous-based devices with doping Cl⁻, 5-AVA⁺, and codoping.

(a)

(b)