Figure 6

Top-view SEM images of the MAPbI3 perovskite films deposited on (a) FTO/TiO2, (b) FTO/TiO2/Cu-BTC MOF, and (c) FTO/TiO2/Co-BTC-MOF.

Top-view SEM images of the MAPbI3 perovskite films deposited on (a) FTO/TiO2, (b) FTO/TiO2/Cu-BTC MOF, and (c) FTO/TiO2/Co-BTC-MOF.