Figure 3

Surface and cross-sectional FESEM images of (a,b) as-grown Fe and (c,d) annealed Fe2O3 films, and (e) schematic of film formation on FTO for FZC condition.
Surface and cross-sectional FESEM images of (a,b) as-grown Fe and (c,d) annealed Fe2O3 films, and (e) schematic of film formation on FTO for FZC condition.