Fig. 1: Schematic illustration of the synthesis process of Pd/Co@N-C.
From: Interface synergism and engineering of Pd/Co@N-C for direct ethanol fuel cells
a The core-shell structured ZIF-67@ZIF-8 was synthesized, after pyrolysis and acid washing, the Co@N-C with spatial confinement effect was obtained. The Pd was supported on Co@N-C by an in-situ microwave reduction method to form a strong interface effect between Co@N-C and Pd. TEM images of (b) Co@N-C and (c) N-C. d Raman spectra and e XRD patterns of Co@N-C and N-C. f High-magnification bright field (BF)-STEM image. The inset of (f) shows the enlarged STEM image of Pd. g HAADF-STEM and the corresponding EDS elemental mappings of Pd, Co, and N. h HR-TEM, HAADF-STEM, and the corresponding EDS elemental mappings of Pd and Co of Pd+Co@N-C.
