Fig. 1 | Nature Communications

Fig. 1

From: Non-noble metal-nitride based electrocatalysts for high-performance alkaline seawater electrolysis

Fig. 1

Synthesis and microscopic characterization of the as-prepared NiMoN@NiFeN catalyst. a Schematic illustration of the synthesis procedures for the self-supported 3D core-shell NiMoN@NiFeN catalyst. bd SEM images of (b) NiMoN and (c, d) NiMoN@NiFeN at different magnifications. e, f TEM images of NiMoN@NiFeN core-shell nanorods at different magnifications. g HRTEM image, h SAED pattern, i EDS line scan, and j dark field scanning transmission electron microscopy (DF-STEM) image and corresponding elemental mapping of the NiMoN@NiFeN catalyst. Scale bars: b, c 30 µm; insets of (b, c) 3 µm; d, e 500 nm; f 200 nm; g 20 nm; inset of (g) 1 nm; h 2 1/nm; i 250 nm; j 1 µm

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