Fig. 5 | Nature Communications

Fig. 5

From: Enhancing photoelectrochemical water splitting by combining work function tuning and heterojunction engineering

Fig. 5

Photoelectrochemical water splitting performances. Photographs of the NiFeOx/B-C3N4/Mo-BiVO4 photoanode in the PEC water splitting system (a), the NiFeOx/B-C3N4/Mo-BiVO4 photoanode in a blown-up view (b), the Pt cathode (c), and the Ag/AgCl reference electrode (d). e Chronoamperometry (i–t) curve of NiFeOx/B-C3N4/Mo-BiVO4 photoanode collected at 0.54 V vs. RHE under AM 1.5 G illumination in PPB solution (pH 7). f H2 and O2 evolution of the NiFeOx/B-C3N4/Mo-BiVO4 photoanode at 0.54 V vs. RHE; dashed curves indicate the H2 and O2 evolution with 98% Faraday efficiency

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