Review Article

Effects of Solution-Based Fabrication Conditions on Morphology of Lead Halide Perovskite Thin Film Solar Cells

Figure 4

Grain sizes of perovskite crystal increase as a function of annealing time as shown in (a–g) top-down SEM images and (h) grain size distribution plot of films. Reproduced from [21] with permission from the Royal Society of Chemistry.
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)