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

Figure 16

Pattern of energy-dispersive spectroscopy (EDS) of samples 1, 2, 3, and 4 [21–23].

(a)

(b)

(c)

(d)