Research / 2020 / Article / Fig 2

Research Article

Oxygen-Reconstituted Active Species of Single-Atom Cu Catalysts for Oxygen Reduction Reaction

Figure 2

The structure characterization of samples: (a) XANES spectra, (b) derivative of normalized XANES of Cu K-edge, (c) the fitting valence of Cu extracted from XANES, (d) Fourier transforms of Cu K-edge spectra, (e) wavelet transform (WT), and (f) EXAFS fitting curves of SA-Cu/NG and standard samples of CuPc and CuO.

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