Fig. 1: Preparation and characterization of RuO2 based materials.
From: High-entropy RuO2 catalyst with dual-site oxide path for durable acidic oxygen evolution reaction
a–c Schematic illustrating the synthesis of RuO2 based catalysts. d The size distribution of RuO2-HEAE. e High-angle annular dark-field STEM images of RuO2-HEAE. f Magnified HAADF-STEM image of RuO2-HEAE. g X-ray diffraction results of RuO2 based materials. h elemental mappings of the RuO2-HEAE.
