fig8

Figure 8. (A) Schematic diagram of the structure of Cs_1+xPbI_3+x film. This figure is quoted with permission from Ref.^[153], Copyright © 2019 Wiley-VCH; (B) Schematic diagram of the phase transition and surface reconstruction of CsPbI₃ thin film caused by BDA⁺. This figure is quoted with permission from Ref.^[154], Copyright © 2023 Elsevier; (C) Schematic diagram illustrating the repair process of CsPbI₃ perovskite achieved through TBA⁺ cation intercalation. This figure is quoted with permission from Ref.^[155], Copyright © 2021 Wiley-VCH; (D) Schematic diagram of photo-induced charge transfer in MOPEABr-treated IPSCs; (E) The environmental stability of different perovskite films. (D and E) are quoted with permission from Ref.^[158], Copyright © 2021 Wiley-VCH. BDA⁺: Butane-1,4-diammonium; BDABr: butane-1,4-diammonium bromide; IPSCs: inorganic perovskite solar cells; MOPEABr: 2-(4-methoxyphenyl)ethylammonium bromide; TBA⁺: tetrabutylammonium; TBAI: tetrabutylammonium iodide; BDA⁺: benzyldodecyldimethylammonium; BDABr: benzyldodecyldimethylammonium bromide; MOPEABr: 4-methoxyphenethylammonium bromide.