Fig. 3: XAFS analysis for dual-active-site catalyst Ni SAs–Co NPs. | Nature Communications

Fig. 3: XAFS analysis for dual-active-site catalyst Ni SAs–Co NPs.

From: Sun-simulated-driven production of high-purity methanol from carbon dioxide

Fig. 3: XAFS analysis for dual-active-site catalyst Ni SAs–Co NPs.

a Ni K-edge XANES spectra (inset: magnified absorption edges) and b χ(R) spectra of Ni SAs, NiO, NiPc and Ni foil. c EXAFS R-space fitting results of Ni SAs. d Co K-edge XANES spectra (Inset: magnified absorption edges), e, f χ(R) spectra and the corresponding EXAFS k-space of Ni SAs–Co NPs, CoO, and Co foil. g, h Wavelet transform of χ(k) of Ni and Co for and other reference samples. Source data are provided as a Source Data file.

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