Fig. 2: Photoelectrochemical properties of the samples. | Nature Communications

Fig. 2: Photoelectrochemical properties of the samples.

From: A standalone bismuth vanadate-silicon artificial leaf achieving 8.4% efficiency for hydrogen production

Fig. 2

a Photocurrent density versus potential curves of BVO-ΔOv and BVO in a 1 M borate buffer electrolyte with 0.1 M Na2SO3 (pH 9.5) under AM 1.5 G illumination. b IPCE curves at 1.23 V vs. RHE, (c) ηsep curves, (d) MS curves under dark, (e) KPFM images, (f) PL spectra, (g) Time-resolved fluorescence emission spectra, (h) UPS curves, inset: local magnification, (i) Energy level diagram of the BVO-ΔOv and BVO films. Source data are provided as a Source Data file.

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