Issue 10, 2018
From the journal:

Inorganic Chemistry Frontiers

Solvent-induced framework-interpenetration isomers of Cu MOFs for efficient light hydrocarbon separation†

Yutong Wang, ORCID logo ‡a   Weidong Fan,‡a   Xia Wang,a   Yinfeng Han,*ab   Liangliang Zhang, ORCID logo a   Di Liu, ORCID logo c   Fangna Dai ORCID logo *a  and  Daofeng Sun ORCID logo a  

* Corresponding authors

a College of Science, China University of Petroleum (East China), Qingdao, Shandong 266580, P. R. China
E-mail: fndai@upc.edu.cn, han@tsu.edu.cn

b Department of Chemistry and Chemical Engineering, Taishan University, Tai'an, Shandong 271021, P. R. China

c College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao, Shandong, P. R. China

Abstract

By tuning interpenetrated and non-interpenetrated frameworks, a pair of Cu-paddlewheel framework-interpenetration isomers (UPC-34, [Cu3(L)2(H2O)3]·2DMF·3EtOH·3H2O and UPC-35, [Cu3(L)2(H2O)3]·2DMF·2Diox·3H2O) based on a tripodal ligand (H3L = 4,4′-((5-carboxy-1,3-phenylene)bis(ethyne-2,1-diyl))dibenzoic acid) has been synthesized and characterized. The interpenetrated framework (UPC-35) is more stable than the non-interpenetrated one (UPC-34). Due to the 2-fold interpenetration, UPC-35 has a pore size distribution of ∼4.5 Å, which is close to the kinetic diameters of light hydrocarbons (C1–C3), and thus exhibits high gas-uptake capacities for C3H6 and C3H8. Furthermore, UPC-35 is an effective adsorbent for the selective separation of C3/C2/C1 light hydrocarbons.

Graphical abstract: Solvent-induced framework-interpenetration isomers of Cu MOFs for efficient light hydrocarbon separation

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Article information

DOI
https://doi.org/10.1039/C8QI00469B
Article type
Research Article
Submitted
22 May 2018
Accepted
28 Jun 2018
First published
30 Jun 2018

Inorg. Chem. Front., 2018,5, 2408-2412

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Solvent-induced framework-interpenetration isomers of Cu MOFs for efficient light hydrocarbon separation

Y. Wang, W. Fan, X. Wang, Y. Han, L. Zhang, D. Liu, F. Dai and D. Sun, Inorg. Chem. Front., 2018, 5, 2408 DOI: 10.1039/C8QI00469B

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