Fig. 2: Chemical environments and micro-nano structures.
From: Surpassing stoichiometric limitation for supra-multi-molar adsorption and separation of acid gases
a N 1 s XPS spectra, (b) EPR spectra, (c) N2 adsorption-desorption isotherms of Zn-Nx@SC-PCs. d SEM, (e, f) TEM, (g) HAADF-STEM, (h) HAADF images, and (i–l) elemental maps of Zn-N3@SC-PC.
