Fig. 1: Morphology and structure of single-atom and diatomic catalysts. | Nature Communications

Fig. 1: Morphology and structure of single-atom and diatomic catalysts.

From: Identifying and tailoring C–N coupling site for efficient urea synthesis over diatomic Fe–Ni catalyst

Fig. 1

a TEM image and b Aberration-corrected HAADF-STEM image of B-FeNi-DASC. The scale bar is 100 and 2 nm, respectively. c Acquired HAADF-STEM image intensity profile accompanied by atomic-resolution EELS mapping of the Fe–Ni pair. d Fourier transform extended X-ray absorption fine structure (FT-EXAFS) spectra of Fe-SAC, I-FeNi-DASC, and B-FeNi-DASC. e Wavelet-transform plots for Fe element of Fe foil, Fe-SAC, I-FeNi-DASC, and B-FeNi-DASC.

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