Fig. 11: Interface engineering of the perovskite/ETM interface.
From: Recent progress in the development of high-efficiency inverted perovskite solar cells
a Schematic diagram of SST. b Mott-Schottky plots of devices with and without SST. Reproduced with permission from Ref. 16. Copyright 2022, American Association for the Advancement of Science. c Energy level diagram for control and OLAI-treated perovskite films (2D-TA film and 2D-RT film) with respect to CTMs. Reproduced with permission from Ref. 20. Copyright 2022, American Association for the Advancement of Science. d Device configuration of an inverted PSC based on FcTc2 as an interfacial functionalization material. Reproduced with permission from Ref. 18. Copyright 2022, American Association for the Advancement of Science. e Schematic illustration of the condensation reaction between FA+ and 3-APy. Reproduced with permission from Ref. 19. Copyright 2022, Nature Publishing Group.
