Photoresponse of Visible Light Active CM-n-TiO₂, HM-n-TiO₂, CM-n-Fe₂O₃, and CM-p-WO₃ towards Water Splitting Reaction

Figure 28

SEM images of (a) oven-made-n Fe₂O₃ [23] and (b) flame-made CM-n-Fe₂O₃ films.

(a)

(b)