RESEARCH / A0571
Modulating photogenerated electron density of Pr single-atom sites by coordination environment engineering for boosting photoreduction of CO2 to CH3OH
Read the original paper · 10.1016/j.apcatb.2023.122626 ↗
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. Electronic structure and coordination mode of Pr species in the Pr1-N6/CN and Pr1-N4O2/CN. (a) Pr L3-edge XANES spectra; (b) High-resolution XPS spectra of Pr 3d; (c) FT k3-weighted EXAFS spectra (R space) for Pr L3-edge; (d) The corresponding EXAFS spectra in R-space fitting curves with the contribution of individual shells; (e) WT plots; (f) FT k3-weighted EXAFS spectra for Cu k-edge, Cr k-edge, and La L2-edge.