Abstract

A new honeycomb-like 2D Metal-organic polyhedral framework, {Cu3.75(BrCPEIP)2.5·(H2O)2.75·DMF}n (NJFU-5, H3BrCPEIP ​= ​5-((3-bromo-5-carboxyphenyl)ethynyl)isophthalic acid) was solvothermally synthesized and structurally characterized, which shows a BET surface area of 473 ​m2 ​g−1. Meanwhile, NJFU exhibits a comparably higher CO2 adsorption capacity of 37.0 ​cm3 ​g-1 (4.6 ​wt%) at 1 ​bar and 298 ​K in 2D MOF family, and a high CO2 selective adsorption toward N2 and CH4 as well.

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