RESEARCH / A0523
Ni Cluster-Decorated Single-Atom Catalysts Achieve Near-Unity CO2to-CO Conversion with an Ultrawide Potential Window of ≈1.7 V
Read the original paper · 10.1002/smll.202405367 ↗
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. Chemical state and coordination structure of NiNC&SA/N-C: The high-resolution spectrum of a) Ni 2p b) N 1s. c) O 1s. d) Normalized Ni K-edge XANES spectra. e) Fourier transformation of the EXAFS spectra of NiNC&SA/N-C, NiSA/N-C, Ni Pc (reference sample), NiO (reference sample), and Ni foil (reference sample). f) EXAFS fitting curve of NiNC&SA/N-C in R-space. g) WTs for the κ3-weighted Ni K-edge EXAFS signals of NiNC&SA/N-C, Ni foil, Ni Pc, and NiO.