Fig. 3: Characterization of each BiVO4 photoanode.
From: A hole-selective hybrid TiO2 layer for stable and low-cost photoanodes in solar water oxidation
a–c XPS (a), TOF-SIMS (b), and XRD (c) analysis of BiVO4, BiVO4/TiO2, and BiVO4/PEI/TiO2.
Fig. 3: Characterization of each BiVO4 photoanode. | Nature Communications
