RESEARCH / A0171
A donor-acceptor porous organic polymer anchoring a high density of cobalt single sites realizes full-spectrum photothermal CO2 hydrogenation
Read the original paper · 10.1016/j.chempr.2025.102905 ↗
Source figures may contain other techniques and soft X-ray spectra. C, N and O measurements are outside our current hard-XAFS testing range.
Figure 2. Valence state and coordination environment of Co single sites (A) N 1s XPS spectra of PAF-305 and Co-PAF. (B) Co 2p XPS spectra of Co-PAF. (C) O 1s XPS spectrum of Co-PAF. (D and E) (D) XANES and (E) FT-EXAFS spectra at the Co K-edge of Co-PAF, Co foil, CoO, Co 2 O 3 , and CoPc samples. (F) EXAFS fitting curve of Co-PAF at R space. (G–I) WT-EXAFS of (G) Co-PAF, (H) Co-foil, and (I) CoPc.