Figure 2

Surface and cross-sectional FESEM images of Fe2O3 photoanodes prepared with (a,b) F and (d,e) FZ conditions. Figure (c,f) shows the schematic of film formation on FTO for F and FZ conditions, respectively.
Surface and cross-sectional FESEM images of Fe2O3 photoanodes prepared with (a,b) F and (d,e) FZ conditions. Figure (c,f) shows the schematic of film formation on FTO for F and FZ conditions, respectively.