Unified meso-pores and dense Cu sites in porous coordination polymers for highly efficient gas storage and separation.

Unified meso-pores and dense open metal sites (OMS) in porous coordination polymers (PCPs) allow highly promising H2 and C2-hydrocarbon storage, as well as rapid and efficient C2H2/4 enrichment from CO2 mixtures. The positive function of the OMS, associated with guest thermodynamics, was well revealed by in situ infrared (IR) spectroscopy study.

Finely Controlled Stepwise Engineering of Pore Environments and Mechanistic Elucidation of Water-Stable, Flexible 2D Porous Coordination Polymers.

Two porous coordination polymers (PCPs) with different topologies (NTU-19: sql and NTU-20: dia) underwent finely controlled, stepwise crystal conversions to yield a common water-stable, flexible 2D framework (NTU-22: kgm). The crystal conversions occurred directly at higher temperature via the 3D intermediate (NTU-21: nbo), which could be observed at lower temperature. The successful isolation of the intermediate product of NTU-21, characterization with in situ PXRD and UV/Vis spectra were combined with DFT calculations to allow an understanding of the dynamic processes at the atomic level.