Citation: Hong-Ru FU, Yu-Ying JIANG, Jia-Hua LUO, Ting LI. A Robust Heterometallic Cd(II)/Ba(II)-Organic Framework with Exposed Amino Group and Active Sites Exhibiting Excellent CO₂/CH₄ and C₂H₂/CH₄ Separation[J]. Chinese Journal of Structural Chemistry, ;2022, 41(3): 220328. doi: 10.14102/j.cnki.0254-5861.2011-3340 shu

A Robust Heterometallic Cd(II)/Ba(II)-Organic Framework with Exposed Amino Group and Active Sites Exhibiting Excellent CO₂/CH₄ and C₂H₂/CH₄ Separation

Hong-Ru FU ^{a, b} ,
Yu-Ying JIANG ^{a, b} ,
Jia-Hua LUO ^b ,
Ting LI ^b,,

a.
College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, China
b.
College of Materials and Chemical Engineering, China Three Gorges University, Yichang 443002, China

Corresponding author: Ting LI, liting880202@163.com
Received Date: 25 August 2021
Accepted Date: 18 October 2021

Fund Project: Natural Science Foundation of China U1904183the Science Foundation for Excellent Youth Scholars of Henan 212300410061the Science Foundation for Excellent Youth Scholars of Henan 20HASTIT006

Figures(6)

A microporous and robust bimetal-organic framework [Cd₂Ba(NH₂-BTB)₂]·2(DMA)·2(H₂O) (1) was constructed by mixing the heterometallic nodes and an tridentate carboxyl ligand with amino group, benefiting from the synergistic effect of active sites, exposed amino groups and ultramicroporous structure. This compound displays an extraordinary selectivity of CO₂/CH₄ and C₂H₂/CH₄ (16.7 and 146.3) at 298 K and 1 atm, which can exceed those of many reported MOFs under the same conditions. This work provides an important model to design metal-organic frameworks for the adsorption and separation of small gas molecules.
- heterometallic-organic framework,
- C₂H₂/CH₄ separation,
- exposed sites
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沈阳化工大学材料科学与工程学院沈阳 110142

A Robust Heterometallic Cd(II)/Ba(II)-Organic Framework with Exposed Amino Group and Active Sites Exhibiting Excellent CO2/CH4 and C2H2/CH4 Separation

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通讯作者: 陈斌, bchen63@163.com

A Robust Heterometallic Cd(II)/Ba(II)-Organic Framework with Exposed Amino Group and Active Sites Exhibiting Excellent CO₂/CH₄ and C₂H₂/CH₄ Separation