Fig. 3: The NO capture scheme and adsorption properties.

a MOFs-modified hybrid GDE for NO capture and conversion from low concentration NO gas; b the nitrogen adsorption-desorption isotherms of CP, UIO-66/CP, ZIF-8/CP and ZIF-67/CP; c the NO-TPD spectra of CP, UIO-66/CP, ZIF-8/CP and ZIF-67/CP (MS, mass spectrometry); d Gibbs free energy of adsorption of NO on CP, UIO-66, ZIF-8, ZIF-67 and Cu (111). Source data are provided as a Source Data file.