Fig. 3: Physical characterization of NKCOF-10.
From: Green synthesis of olefin-linked covalent organic frameworks for hydrogen fuel cell applications

a FT-IR spectra of NKCOF-10 and corresponding monomers. b 13C solid-state NMR spectra of NKCOF-10 and liquid 13C NMR spectra of the model compound. c Nitrogen adsorption and desorption isotherms of NKCOF-10. Inset is the pore-size distribution. d HRTEM image of NKCOF-10.