Fig. 4: BiVO₄ on PC and PEC.

a Photocatalytical degradation of Red 46 using Fe-doped BiVO₄/SO₂ composite in several percentages of dopping⁵⁰. b Glycerol-to-DHA reaction on BiVO₄, illustrating the general PEC mechanism on a photoanode. Original schematic illustration by Liu et al.²⁸¹.