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. 2022 May 9;119(20):e2202202119. doi: 10.1073/pnas.2202202119

Fig. 3.

Fig. 3.

Morphology and structure analysis of the NiMnCo-AC catalyst. (A–C) STEM image, energy dispersive spectrometer mapping images, and line-scan profiles of the NiMnCo-AC catalyst. (D and E) HRTEM images of the NiMnCo-AC catalyst. (F) XRD pattern of the NiMnCo-AC. (G) Identified core-shell structure of the NiMnCo nanoparticle.