Fig. 3: Characterization of h-MnNC, h-NiNC, and h-CuNC. | Nature Communications

Fig. 3: Characterization of h-MnNC, h-NiNC, and h-CuNC.

From: Hollow mesoporous atomically dispersed metal-nitrogen-carbon catalysts with enhanced diffusion for catalysis involving larger molecules

Fig. 3

TEM (a–c) and AC-HAADF-STEM (d–f) images for h-NiNC (a, d), h-MnNC (b, e), and h-CuNC (c, f), respectively (numerous metal atoms are indicated by red arrows to facilitate identification). Fourier transform of the EXAFS spectra: g the Ni K-edge of h-NiNC, h the Mn K-edge of h-MnNC, i the Cu K-edge of h-CuNC.

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