Fig. 1: Schematic illustrations and morphology characterization for the preparation of Fe1@Au NPs and reference materials.
From: Cell-inspired design of cascade catalysis system by 3D spatially separated active sites
a Schematic illustration of the cell cascade catalysis system and biomimetic cascade catalysis system. b TEM image of Fe2O3. c–e HAADF images of Fe1@Au NPs and the reference materials. f, g Atomic-resolution HAADF-STEM images of Fe1/NC. h HRTEM image of Fe1@Au NPs. Inset: magnified HRTEM image of Au NPs. i EDS mappings of Fe1@Au NPs. All experiments were independently repeated three times with similar results.
