fig5

Hollow microstructural regulation of single-atom catalysts for optimized electrocatalytic performance

Figure 5. (A, B) Schematic illustration of the formation of Fe single atoms. (C) SEM, (D) TEM, (E) HRTEM, (F) elemental mapping and (G, H) AC-HAADF-STEM images of Fe-Nx ISAs/GHSs. TEM: Transmission electron microscopy; HRTEM: high resolution TEM; AC-HAADF-STEM: aberration-corrected high angle annular dark field scanning transmission electron microscopy.

Microstructures
ISSN 2770-2995 (Online)

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