RESEARCH / A0483
Highly Acid-Resistant CoNPs@Co-N-C Catalyst for the Efficient Aqueous-Phase Hydrogenation of Maleic Acid to Succinic Acid
Read the original paper · 10.1021/acscatal.4c03990 ↗
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. (a) High-resolution XPS Co 2p spectra and (b) high-resolution XPS N 1s spectra of CoNPs@Co-N-C, CoNPs/Co-N-C, and Co-N-C. (c) The normalized K-edge XANES and (d) K-edge FT-EXAFS in R space for CoNPs@Co-N-C, CoNPs/Co-N-C, Co-N-C, Co foil, CoO, and CoPc. (e,f) Corresponding EXAFS fitting curves at R and K space of CoNPs@Co-N-C, respectively. (g) W-avelet transforms for the k3 -weighted EXAFS signals.