Organic Molecules in All‐Inorganic CsPbI_xBr_3−xPerovskite Solar Cells: Interface Modifiers or Precursor Additives

Abstract

Figure 10. a) Schematic diagram of the controlled and optimized crystallization process. Reproduced with permission. [125] Copyright 2022, Elsevier. b) Schematic process of the increased number of colloids mediated by PEG additive. Reproduced with permission. [128] Copyright 2019, Elsevier. c) The schematic process for the formation of the CsPbBr 3 via the one-step spin-coating process. Reproduced with permission. [129] Copyright 2020, Elsevier. d) The proposed mechanism for the elimination of phase segregation in CsPbI 2 Br film by PMMA. Reproduced with permission. [131] Copyright 2021, Chinese Institute of Electronics. e) The schematic illustration of the formation process for PEG: CsPbIBr 2 . Reproduced with permission. [130] Copyright 2020, Wiley-VCH. Figure 9. Schematic diagram of perovskite precursor solution with HEMA. Molecular chemical structure of HEMA additive and polymerization reactions during high-temperature annealing. Schematic representation of the presence of HEMA hydrophobic polymers at GBs. Reproduced with permission. [121]