Assembly of [Cu2(COO)4] and [M3(μ3-O)(COO)6] (M = Sc, Fe, Ga, and In) building blocks into porous frameworks towards ultra-high C2H2/CO2 and C2H2/CH4 separation performance

Jian-Wei Zhang; Man-Cheng Hu; Shu-Ni Li; Yu-Cheng Jiang; Peng Qu; Quan-Guo Zhai

doi:10.1039/C7CC09484A

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Assembly of [Cu₂(COO)₄] and [M₃(μ₃-O)(COO)₆] (M = Sc, Fe, Ga, and In) building blocks into porous frameworks towards ultra-high C₂H₂/CO₂ and C₂H₂/CH₄ separation performance†

Jian-Wei Zhang,^ab Man-Cheng Hu,^a Shu-Ni Li,^a Yu-Cheng Jiang,

^a Peng Qu^b and Quan-Guo Zhai

*^a

Author affiliations

* Corresponding authors

^a Key Laboratory of Macromolecular Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an, Shaanxi, P. R. China
E-mail: zhaiqg@snnu.edu.cn

^b Henan Key Laboratory of Biomolecular Recognition and Sensing, School of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu, P. R. China

Abstract

A porous MOF platform (SNNU-65s) formed by creatively combining paddle-wheel-like [Cu₂(COO)₄] and trigonal prismatic [M₃(μ₃-O)(COO)₆] building blocks was designed herein. The mixed and high-density open metal sites and the OH-functionalized pore surface promote SNNU-65s to exhibit ultra-high C₂H₂ uptake and separation performance. Impressively, SNNU-65-Cu-Ga stands out for the highest C₂H₂/CO₂ (18.7) and C₂H₂/CH₄ (120.6) selectivity among all the reported MOFs at room temperature.

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Article information

DOI: https://doi.org/10.1039/C7CC09484A
Article type: Communication
Submitted: 11 Dec 2017
Accepted: 29 Jan 2018
First published: 30 Jan 2018

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Chem. Commun., 2018,54, 2012-2015

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Assembly of [Cu₂(COO)₄] and [M₃(μ₃-O)(COO)₆] (M = Sc, Fe, Ga, and In) building blocks into porous frameworks towards ultra-high C₂H₂/CO₂ and C₂H₂/CH₄ separation performance

J. Zhang, M. Hu, S. Li, Y. Jiang, P. Qu and Q. Zhai, Chem. Commun., 2018, 54, 2012 DOI: 10.1039/C7CC09484A

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