Fig. 1 | Nature Communications

Fig. 1

From: Single platinum atoms embedded in nanoporous cobalt selenide as electrocatalyst for accelerating hydrogen evolution reaction

Fig. 1

Fabrication and structural characterization of Pt/np-Co0.85Se. a Schematic illustration of the fabrication procedure. b X-ray diffraction (XRD) patterns of np-Co0.85Se and Pt/np-Co0.85Se. c SEM image of Pt/np-Co0.85Se. Inset shows the microstructure of cross-section of Pt/np-Co0.85Se. d, e HAADF-STEM images of Pt/np-Co0.85Se. f Line-scanning intensity profile obtained from the area highlighted with red rectangles in regions A and B in e. g The STEM-EDX elemental mapping of Pt/np-Co0.85Se. Scale bars: c 500 nm, inset: 20 µm. d 2 nm. e 1 nm. g 10 nm

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