RESEARCH / A0431
The ligand effect of graphene quantum dots in NiFeOx/FeNi3 heterostructure for enhanced electrocatalytic valorization of poly(ethylene terephthalate) plastics
Read the original paper · 10.1016/j.jechem.2025.05.015 ↗
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. (a) XPS survey spectra; (b) Ni 2p XPS spectra; (c) Fe 2p XPS spectra of SPA-NiFeOx/FeNi3 and NiFeOx/FeNi3; (d and f) Ni K-edge and Fe K-edge XANES spectra of SPA- NiFeOx/FeNi3, NiFeOx/FeNi3, and reference Fe foil, Ni foil, and NiO; (e and g) Fourier-transformed (FT) k3-weighted extended X-ray absorption fine structure (EXAFS) spectra of SPA-NiFeOx/FeNi3 and NiFeOx/FeNi3; (h) Fe–O with BDC; (i) Fe–O with C-GQDs.