fig5
Figure 5. (A) Images of perovskite samples: before and after exposure to DMF for 60 s. Reprinted with permission from ref.[60]. Copyright 2019 Elsevier. (B) Time-lapse images of water-resistance test. Reprinted with permission from ref.[62]. Copyright 2019 Wiley. (C) AFM images of ALD ZnO films indicated the island-like growth on Si substrate and the layer-by-layer growth on GaN. Reprinted with permission from ref.[64]. Copyright 2012 American Chemical Society.
