A robust porous metal–organic framework with dual functionalities of open metal sites (OMSs) and O-rich Lewis basic sites (LBSs) has been designed and synthesized, and shows high CO2 uptake and excellent selectivity for CO2 over N2 and CH4.
A highly mesoporous (3,36)-connected txt-type metal–organic framework with a naphthalene-embedded ligand was successfully synthesized with high CO2 storage capacity and selectivity.