Figure 8
AFM topographical maps for typical perovskite surfaces: (a) Cs0.05(MA0.17FA0.83)0.95Pb(I0.83Br0.17)3 with CB, (b) Cs0.05(MA0.17FA0.83)0.95Pb(I0.83Br0.17)3 with EA, (c) Cs0.10(MA0.17FA0.83)0.90Pb(I0.83Br0.17)3 with CB, (d) Cs0.10(MA0.17FA0.83)0.90Pb(I0.83Br0.17)3 with EA. |