RESEARCH / A0517
In situ regulating the interfacial work function of Ag doped Ni(OH)2 via trace of Fe2+ for efficient water splitting
Read the original paper · 10.1016/j.cej.2024.156979 ↗
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) Variation trend of WF of Ag-Ni(OH)2/NF under different Fe2+ concentration modulation. (b) UPS spectra and (c) band structure alignment of the Ag-Ni (OH)2/NF, 0.168-FeO-Ag-Ni(OH)2/NF and 0.168-FeH-Ag-Ni(OH)2/NF. (d, e) The Ni 2p spectra of Ag-Ni(OH)2/NF, 0.168-FeO-Ag-Ni(OH)2/NF and 0.168-FeH-Ag-Ni (OH)2/NF. (f) Schematic diagram of valence catalytic effect of silver to nickel. X-ray absorption spectroscopy (XAS) characterizations of Fe modifoed Ag-Ni(OH)2/NF and reference samples. (g, h) Ni K-edge XANES spectra and (i) corresponding Fourier transform of EXAFS spectra. Ni K-edge wavelet transform (WT) spectra of (j) Ag- Ni(OH)2/NF, (k) 0.168-FeO-Ag-Ni(OH)2/NF and (l) 0.168-FeH-Ag-Ni(OH)2/NF.