Fig. 1 | Nature Communications

Fig. 1

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

Fig. 1The alternative text for this image may have been generated using AI.

Electron microscopic characterization of the NiFeOx/B-C3N4/Mo-BiVO4 photoanodes. a Top-view (inset is the magnified image) SEM images of the NiFeOx/B-C3N4/Mo-BiVO4 photoanode. b HADDF-STEM image of the NiFeOx/B-C3N4/Mo-BiVO4 photoanode and c–f the corresponding STEM-EDS elemental mapping images for Bi, C, O, and Fe, respectively. g Overlay of the elemental mapping images of Fe, C, and Bi. h TEM, i HRTEM image of the NiFeOx/B-C3N4/Mo-BiVO4 photoanode and j–l corresponding diffraction patterns via fast Fourier transform of NiFeOx, B-C3N4, and Mo-BiVO4, respectively

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