Fig. 3: Nanostructure characterization of 2D IrO2(101) monolayer. | Nature Communications

Fig. 3: Nanostructure characterization of 2D IrO2(101) monolayer.

From: Single-faceted IrO2 monolayer enabling high-performing proton exchange membrane water electrolysis beyond 10,000 h stability at 1.5 A cm-2

Fig. 3: Nanostructure characterization of 2D IrO2(101) monolayer.

a TEM image of IrO2(101) monolayer. b HRTEM image of surface corrugation on IrO2. c HRTEM image of the (101) facet. The inset shows the FFT pattern of the marked region. d HRTEM image and the corresponding intensity profile along the blue rectangle in d. e STEM elemental mapping of IrO2(101) monolayer. f AFM image of 2D monolayer IrO2. The scale bars in a, b, c, e and f are 100 nm, 10 nm, 5 nm, 50 nm and 100 nm, respectively.

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