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. 2024 Oct 17;63(52):e202412515. doi: 10.1002/anie.202412515

Figure 1.

Figure 1

(a) The chemical structure of AQS−. DFT‐calculated electrostatic potential and dipole moment of CF3‐PMA+ (FPMA+) and CF3‐PEA+ (FPEA+). (b) The DLS diagrams of inorganic perovskite without additive and with AQS : FPMA and AQS : FPEA. (c) The XRD plots of the control precursor film without additive and target film with AQS : FPEA. (d) The FTIR spectra of bare AQS and AQS : PbI2. (e) High‐resolution Pb 4 f XPS plots of the annealed control perovskite film and perovskite films with AQS‐based additives. (f) Diagrams of our hypothesis that AQS‐group can regulate the formation of intermediate phases.