Issue 8, 2018

Rational design of phosphonocarboxylate metal–organic frameworks for light hydrocarbon separations

Abstract

Metal–organic frameworks (MOFs) provoke intensive research interests on separations of small gas molecules. By introducing a coordinative phosphate group into a carboxylic acid linker, a ligand 4,4′-(hydroxyphosphoryl) dibenzoic acid (H3hpda) was successfully synthesized and used to construct microporous phosphonocarboxylate framework [Cu3(hpda)2·DMF·2H2O]·3DMF·H2O (DMF = N,N-dimethylformamide) and [Mg32-OH2)2(OH2)2(hpda)2]·3DMF·2H2O. Both of them possess narrow approachable channels and exhibit excellent performance on selective separation of light hydrocarbons (C1–C2), presenting a promising ligand design strategy for the construction of porous material aiming for natural gas upgrading.

Graphical abstract: Rational design of phosphonocarboxylate metal–organic frameworks for light hydrocarbon separations

Supplementary files

Article information

Article type
Research Article
Submitted
18 Jan 2018
Accepted
27 Mar 2018
First published
28 Mar 2018

Mater. Chem. Front., 2018,2, 1436-1440

Rational design of phosphonocarboxylate metal–organic frameworks for light hydrocarbon separations

L. Li, Q. Yin, H. Li, T. Liu and R. Cao, Mater. Chem. Front., 2018, 2, 1436 DOI: 10.1039/C8QM00029H

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