RESEARCH / A0056
Nitrate intercalation suppresses Fe active-site dissolution in NiFe-LDH for durable industrial alkaline oxygen evolution
Read the original paper · 10.1007/s40843-026-4167-3 ↗
Source figures may contain other techniques and soft X-ray spectra. C, N and O measurements are outside our current hard-XAFS testing range.
Figure 2 High-resolution XPS spectra of (a) Ni 2p, (b) Fe 2p, (c) O 1s, and (d) N 1s in NiFe-LDH and pristine NiFe-NO 3, respectively. (e) XANES spectra, (f) fitting of the EXAFS spectra of Ni foil, NiO, NiFe-LDH, and NiFe-NO 3 at the Ni K-edge.