Figure 4

Alignment of conduction (CB) and valence (VB) bands for the Bi4O7–Bi3.33(VO4)2O2–Bi46V8O89 (abbreviated as BVO) particulate composite-like ternary heterojunction.
Alignment of conduction (CB) and valence (VB) bands for the Bi4O7–Bi3.33(VO4)2O2–Bi46V8O89 (abbreviated as BVO) particulate composite-like ternary heterojunction.