RESEARCH / A0507
Millisecond self-heating and quenching synthesis of Fe/carbon nanocomposite for superior reductive remediation
Read the original paper · 10.1016/j.apcatb.2023.123361 ↗
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. 4. Component analysis and reaction mechanism. (a) Extended X-ray absorption fine structure (EXAFS) fitting curves of Fe foil, FeCl2, Fe2O3, and C-FJH-derived sample in R space. (b) Fe K-edge XANES spectra of C-FJH-derived sample. (c) XANES fitting valence of C-FJH-derived sample. (d) Wavelet transform (WT) analysis of C-FJH-derived sample. (e) Raman spectrum of the Fe/carbon composite prepared using C-FJH and conventional NaBH4-R or H2-R methods. (f) Electrochemical impedance spectroscopy (EIS) curves of the Fe/carbon nanocomposite prepared using C-FJH and conventional NaBH4-R or H2-R methods. (g) Density functional theory (DFT) calculation of HCrO4