Fig. 2: Structural analyses of NiCuCr/C. | Nature Communications

Fig. 2: Structural analyses of NiCuCr/C.

From: Tuning the apparent hydrogen binding energy to achieve high-performance Ni-based hydrogen oxidation reaction catalyst

Fig. 2

a Ni K-edge XANES spectra. b Fourier analysis of the EXAFS at the Ni K-edge. c, d Corresponding wavelet transforms of k2-weighted EXAFS spectra of Ni K-edge. e Cu K-edge XANES spectra. f Fourier analysis of the EXAFS at the Cu K-edge. g, h Corresponding wavelet transforms of k2-weighted EXAFS spectra of Cu K-edge. i Cr K-edge XANES spectra. j Fourier analysis of the EXAFS at the Cr K-edge. k, l Corresponding wavelet transforms of k2-weighted EXAFS spectra of Cr K-edge. A k2 weighting was applied to amplify the EXAFS oscillations in the mid-k region for all elements.

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