fig8
From: Progress in atomic layer deposition of metal oxides for efficient and stable perovskite solar cells
Figure 8. (A) Energy level alignment of regular type PSCs[218]. Copyright 2021, Wiley. (B) Schematic of ALD Al2O3 deposition on perovskite with 5-AVAI[222]. Copyright 2025, Elsevier. (C) ssPL spectra of perovskite film and half-cells with ALD Al2O3 coating[223]. Copyright 2023, American Chemical Society. (D) Schematic illustrating passivation of perovskite/PCBM:EVA film with ALD SnO2[224]. Copyright 2023, Wiley. (E) Transmittance spectra of ALD SnO2 films with different thickness[225]. Copyright 2025, Elsevier.








