Fig. 3

(a) XPS spectra of all samples, high-resolution XPS spectra of (b) C 1s, (c) N 1s and (d) Pd 3d, (e)Schematic diagram of N binding types in carbon structure, (f) FTIR spectrogram of modified polymer resin.
(a) XPS spectra of all samples, high-resolution XPS spectra of (b) C 1s, (c) N 1s and (d) Pd 3d, (e)Schematic diagram of N binding types in carbon structure, (f) FTIR spectrogram of modified polymer resin.