fig2

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

Figure 2. (A) Illustration of the synthetic strategy of Fe-SAs/NPS-HC. (B) TEM and (C) AC HAADF-STEM images of Fe-SAs/NPS-HC. (D) Fe K-edge XANES and (E) Fe K-edge k3-weighted Fourier transform (FT) spectra of Fe-SAs/NPS-HC, Fe2O3 and Fe foil. (F) ORR polarization curves, (G) Jk at 0.85 V and E1/2 of Fe-SAs/NPS-HC, Fe-SAs/NPS-C and NPS-HC[100]. TEM: Transmission electron microscopy; HAADF-STEM: high angle annular dark field scanning TEM; ORR: oxygen reduction reaction.

Microstructures
ISSN 2770-2995 (Online)

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