Fig. 1: Synthesis and Characterization of catalysts. | Communications Chemistry

Fig. 1: Synthesis and Characterization of catalysts.

From: Dual-function FeCo bimetallic nanoclusters for ammonia electrosynthesis from nitrate/nitrite reduction

Fig. 1

a Synthesis process of Fe2Co1/NC. SEM images of b Fe1Co1/NC, c Fe1Co2/NC, d Fe2Co1/NC, e Fe1Co4/NC, f Fe4Co1/NC. g, h TEM image and i Aberration-corrected HAADF-STEM image of Fe2Co1/NC, red circles highlight bimetallic nanoclusters (inset: the particle size distribution of FeCo sub-nanoclusters). j HAADF-STEM image and corresponding EDS elemental maps for Fe, Co, C, N, and O. k XRD patterns of Fe2Co1/NC, Fe/NC and Co/NC. XPS spectra of l C 1 s, m Fe 2p, n Co 2p for Fe2Co1/NC. o Fe K-edge XANES spectra of Fe2Co1/NC and the standard samples and p their corresponding FT-EXAFS spectra.

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