fig10

Figure 10. (A) Schematic illustrations for the synthesis of Pd_xAu_y NWs; (B) High-angle annular dark-field scanning transmission electron microscopy (HADDF-STEM) images and the corresponding STEM-EDS element mapping of Pd₉Au₁ NWs; (C) Conceptual diagram of methane oxidation by Pd₉Au₁ NMs at 343 K^[128]. Copyright 2022, Elsevier. PdxAuy NWs: Palladium-gold nanowires; HAADF-STEM: high-angle annular dark-field scanning transmission electron microscopy; STEM-EDS: scanning transmission electron microscopy-energy dispersive X-ray spectroscopy; Pd9Au1 NMs: palladium-gold nanomaterials; DFT: density functional theory.