RESEARCH / A0292
Optimizing electrochemical microenvironment of Ni sites by constructing Ni–WO2 heterostructure for promoting electrocatalytic conversion of methanol to formate via direct electrooxidation path
Read the original paper · 10.1007/s12598- ↗
Source figures may contain other techniques and soft X-ray spectra. C, N and O measurements are outside our current hard-XAFS testing range.
Fig. 2 Elemental valence states and electronic structure of Ni, WO2, and Ni–WO2. A XPS spectra of Ni and Ni–WO2 for Ni 2p and B XPS spectra of WO2 and Ni–WO2 for W 4f. C Normalized XANES and D Ni K-edge FT-EXAFS spectra for Ni foil, NiO, Ni and Ni– WO2. E Normalized XANES and F W L3-edge FT-EXAFS spectra for W foil, Ni–WO2, and WO2. G The wavelet transforms EXAFS for Ni foil, Ni, and Ni–WO2