Fig. 1: Structural elucidation of HEMN catalysts. | Nature Communications

Fig. 1: Structural elucidation of HEMN catalysts.

From: Breaking activity-selectivity-stability trade-offs in reverse water-gas shift reaction via high-energy micro-faceted Mo2N nanocrystals

Fig. 1: Structural elucidation of HEMN catalysts.The alternative text for this image may have been generated using AI.

a γ-plot under vacuum (red contour) and ammonia environmental conditions (purple contour), corresponding surface energy mapping. b 3D schematic of HEMN catalyst, with the terminating crystal facet as (112); c Electron tomography image of HEMN catalyst; Fine structure of HEMN catalyst along the [021] zone axis (d) HAADF-STEM and (e) iDPC-STEM imaging, as well as along the [001] zone axis (h) HAADF-STEM and (i) iDPC-STEM imaging, with orange lines indicating the particle shape in the projection direction; Magnified (f) HAADF-STEM image and (j) iDPC-STEM image along the [021] zone axis; (g) Structural model of HEMN and (k) corresponding simulated projected potential image (Mo atomic columns and N atomic columns are marked in yellow and blue solid circles, respectively).

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