From Discrete Molecular Cages to a Network of Cages Exhibiting Enhanced CO2 Adsorption Capacity

Angewandte Chemie
Lei ZhangYichang Pan

Abstract

We have adopted the concept of "cage to frameworks" to successfully produce a Na-N connected coordination networked cage Na-NC1 by using a [3+6] porous imine-linked organic cage NC1 (Nanjing Cage 1) as the precursor. It is found that Na-NC1 exhibits hierarchical porosity (inherent permanent voids and interconnected channel) and gas sorption measurements reveal a significantly enhanced CO2 uptake (1093 cm3  g-1 at 23 bar and 273 K) than that of NC1 (162 cm3  g-1 under the same conditions). In addition, Na-NC1 exhibits very low CO2 adsorption enthalpy making it a good candidate for porous materials with both high CO2 storage and low adsorption enthalpy.

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Citations

Nov 23, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·Fei-Fan ChangWei Huang
Jul 31, 2019·Chemical Society Reviews·Liang FengHong-Cai Zhou
Nov 7, 2019·Angewandte Chemie·Honghong DuanLiping Cao
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Aug 25, 2017·Dalton Transactions : an International Journal of Inorganic Chemistry·Xiao-Yan TangJian-Ping Lang
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Apr 2, 2019·Chemistry of Materials : a Publication of the American Chemical Society·Kerstin GottschlingBettina V Lotsch
May 22, 2020·Inorganic Chemistry·Pei-Chen ZhaoWei Huang
Feb 19, 2019·Journal of the American Chemical Society·Jian-Xin MaQi-Qiang Wang

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