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Fig 5. (A) EOR mechanism of different catalysts in an alkaline solution. Reproduced with permission of Ref. [71]. Copyright 2023, Springer Nature. (B) The potential energy profiles of CH3CH2OHad oxidation to CH3COad on the Pd(111), Pd4/NbN(111) and Pd4-SnO2/NbN(111) surfaces. Reproduced with permission of Ref. [72]. Copyright 2023, Wiley-VCH. (C) Schematic route for the synthesis of 2D Pd-Au heterogeneous phase nanosheets. Reproduced with permission of Ref. [73]. Copyright 2021, Wiley-VCH. (D) TEM, magnified TEM, typical aberration-corrected HAADF-STEM and the corresponding elemental mapping images of PtCu-SnO2. Reproduced with permission of Ref. [74]. Copyright 2024, Elsevier.