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

Figure 15

X-ray diffraction (XRD) patterns for samples 1, 2 and 3, and identified as S1, S2, and S3, respectively [21–23].