Research Article
Effect of Codoping Cl Anion and 5-AVA Cation on Performance of Large-Area Perovskite Solar Cells with Double-Mesoporous Layers
Figure 3
Top-view SEM images of the perovskite films without (a) and with (b) doping Clā. (c) EDS pattern of the perovskite based on doping Clā.
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