Research Article

Photocatalytic Hydrogen or Oxygen Evolution from Water over S- or N-Doped TiO2 under Visible Light

Figure 2

Diffuse reflectance spectra for the obtained S-doped and N-doped having an anatase or rutile phase. (a) having an anatase phase (ST-01), (b) having a rutile phase (NS-51).
173943.fig.002a
(a)
173943.fig.002b
(b)