Fig. 2: Characterization of the HEI catalyst. | Nature Communications

Fig. 2: Characterization of the HEI catalyst.

From: High-entropy intermetallics on ceria as efficient catalysts for the oxidative dehydrogenation of propane using CO2

Fig. 2: Characterization of the HEI catalyst.The alt text for this image may have been generated using AI.

a HAADF-STEM image and the corresponding elemental maps of HEI/CeO2. b XRD patterns of HEI supported on Al2O3, SiO2 and CeO2. c Pt LIII, Co K, Ni K, In K, Sn K, and Ga K-edge XANES spectra of the in-situ reduced catalysts (solid lines) and reference foils (dashed lines) or oxides (dotted lined). d Pt LIII -edge EXAFS oscillations of Pt foil, Pt–Sn and HEI/CeO2. e Fourier transform of the In K-edge EXAFS of HEI/CeO2.

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