Figure 1: SEM images of BiVO₄ with and without single metal/oxide deposited.

(a) BiVO₄; (b) Au/BiVO₄; (c) Pt/BiVO₄; (d) Ag/BiVO₄; (e) MnO_x/BiVO₄ and (f) PbO₂/BiVO₄. The contents of the deposited metals/metal oxides are all 5 wt%. Scale bar, 500 nm.