Fig. 2: Structural characterization of the RT-NiFe-LDH. | Nature Communications

Fig. 2: Structural characterization of the RT-NiFe-LDH.

From: Scalable synthesis of NiFe-layered double hydroxide for efficient anion exchange membrane electrolysis

Fig. 2

PXRD pattern for samples synthesized by the epoxide route in comparison with one obtained by hydrothermal synthesis at 120 °C for 12 h (a). Normalized XANES spectra of Ni K-edge (b) and Fe K-edge (c) recorded for NiFe-LDH synthesized at RT and by HT and pure hydroxide as reference. High-resolution XPS spectra for Ni 2p (d), Fe 2p (e), and Cl 2p (f) of the RT-NiFe-LDH sample. Fourier transformation of the EXAFS oscillations (without phase correction) of RT-NiFe-LDH and HT-NiFe-LDH at the Ni K-edge (g) and Fe K-edge (h). Mössbauer spectra taken at 4 K (i). The estimated parameters for these sextets, shown slightly shifted for clarity, are collected in Supplementary Table 5.

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