fig3
Figure 3. (A) The photocurrent densities of FeVO4 and FeVO4:Cr photoanodes at 1.0 V vs. NHE in Na2SO3 aqueous solution under visible light ( ≥ 420 nm); (B) PL spectra of FeVO4 and FeVO4:Cr samples. NHE: Normal hydrogen electrode; PL: photoluminescence.
