fig7
Figure 7. (A) Schematics of crack-filling interface engineering and the energy diagram of the CsPbI3 layers. Copyright from Ref[60]. (B) Schematic diagram of perovskite crystallization process before and after methyl ammonium chloride treatment and the J-V curves. Copyright from Ref[55]. (C) X-ray photoelectron spectroscopy results at the surface and 10 nm depth and schematic diagram of the electron-transport dynamics based on the reference and polished films. Copyright from Ref[56].
