Fig. 2: X-ray spectroscopic characterizations.
From: Strain enhances the activity of molecular electrocatalysts via carbon nanotube supports
a,b, XPS of Co 2p (a) and N 1s (b) for CoPc/SWCNTs, CoPc/15, CoPc/50 and CoPc. c, XANES Co K-edge spectrum. d, Fourier transform EXAFS. e,f, Simulated structures and EXAFS fitting in R space for curved CoPc/SWCNTs (e) and flat CoPc/50 (f). N1, N2, nitrogen atoms in the first and second coordination spheres.
