fig6

Electrochemically nitrate remediation by single-atom catalysts: advances, mechanisms, and prospects

Figure 6. (A) The XANE spectra of Fe SAC, Fe foil and Fe2O3 at Fe K-edge; (B) FT k3-weighted χ(k)-function of the EXAFS spectra at Fe K-edge; (C) XANES spectrum of Fe SAC at Fe L-edge. This figure is quoted with permission from Wu et al.[56]; (D) Operando SR-FTIR spectra of Fe-N/P-C catalyst during NITRR process; (E) Time-dependent planar SR-FTIR spectra (-0.4 V vs. RHE). This figure is quoted with permission from Xu et al.[59]; (F) EPR spectra of Cu NWs, Rh@Cu-0.6% and Rh NPs based NITRR systems at -0.1 V vs. RHE (react for 3 min); (G) DEMS measurements of NITRR using Rh@Cu-0.6% as the catalyst. This figure is quoted with permission from Liu et al.[72]; (H) EPR signals of DMPO-H from the NITRR system using Cu NSs, V-Cu NSs and VCu-Au1Cu SAAs as the catalyst; (I) EPR signals of DMPO spin adducts from the NITRR system using VCu-Au1Cu SAAs as the catalyst. This figure is quoted with permission from Zhang et al.[75].

Energy Materials
ISSN 2770-5900 (Online)
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