Hierarchically porous N-doped carbon derived from ZIF-8 for adsorption desulfurization

Hierarchical N-decorated porous carbons (N-C) have been successfully synthesized using the N-rich metal -organic framework ZIF-8 as a precursor, along with dicyandiamide as the secondary nitrogen sources. The synthesized N-C materials demonstrated remarkable adsorption desulfurization capacities. Particularly, the N-C-0.2 sample exhibited high surface areas and a large number of micropores, which facilitated rapid mass transfer of organic sulfide molecules. Furthermore, the presence of predominantly excellent graphitic nitrogen content in the N-C materials provided enriched active sites, thereby improving the adsorption desulfurization performance.