Figure 1

Schematic illustration of a core-shell WO3-NRs/BiVO4 photoanode fabricated by glancing angle deposition (GLAD) of WO3-NRs followed by electrodeposition of BiVO4+CoPi.
The inset (a) illustrates GLAD. The SEM image (b) shows a cross section of the ITO/Pt/ITO/WO3-NRs/BiVO4+CoPi photoanode.