fig6

From: Research progress, challenges and opportunities in all-inorganic perovskite photovoltaics

Figure 6. (A) A schematic diagram of the process for preparing the perovskite layer by adding the anti-solvent. Reprinted from Ref.^[132] under the CC BY 4.0 license; (B) SEM images of the CsPbIBr₂ films with different antisolvents: (b1) CB; (b2) IPA; (b3) TOL; (b4) DCM; (b5) EAC; and (b6) DEE. This figure is quoted with permission from Ref.^[139], Copyright © 2019 American Chemical Society; (C) J-V curves of the devices with different antisolvents. This figure is quoted with permission from Ref.^[140], Copyright © 2021 Elsevier. CB: Chlorobenzene; DCM: dichloromethane; DEE: diethyl ether; EAC: ethyl acetate; IPA: isopropyl alcohol; SEM: scanning electron microscopy; TOL: toluene; LM: (R)-(+)-limonene; MeTHF: 2-methyltetrahydrofuran.