Fig. 5: XAFS characterization of Cu/CNT-8.

In situ and ex situ Cu K-edge (a) XANES and (b) EXAFS of Cu/CNT-8, (c) fitting of in situ R-space EXAFS spectrum of Cu/CNT-8, and (d) comparison of Cu–N bond lengths obtained from EXAFS fitting and DFT calculation.