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

Figure 1

J-V characteristics of single-mesoporous PSCs with/without doping Cl⁻, 5-AVA⁺, and codoping: (a) the open-circuit voltage (), (b) short-circuit current density (), (c) fill factor (FF), and (d) power conversion efficiency (PCE).

(a)

(b)

(c)

(d)