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Issue 89, 2018
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A charge-separated diamondoid metal–organic framework

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We report the synthesis, characterization, and gas adsorption analyses of a new charge-separated metal–organic framework (MOF), UNM-1 (C52H16BCuF16N4), possessing diamondoid structures, assembled from an anionic tetrahedral borate ligand and cationic Cu(I) metal ion. The resulting MOF structure displays four-fold interpenetration, resulting in high environmental stability, and at the same time possesses relatively large surface area (SABET = 621 m2 g−1) due to the absence of free ions. Gas adsorption measurements revealed temperature-dependent CO2 adsorption/desorption hysteresis and large CO2/N2 ideal selectivities up to ca. 99 at 313 K and 1 bar, suggesting potential applications of this type of charge-separated MOFs in flue gas treatment and CO2 sequestration.

Graphical abstract: A charge-separated diamondoid metal–organic framework

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Article information

31 Aug 2018
18 Oct 2018
First published
18 Oct 2018

Chem. Commun., 2018,54, 12654-12657
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Author version available

A charge-separated diamondoid metal–organic framework

S. Thapa, E. Hettiarachchi, D. A. Dickie, G. Rubasinghege and Y. Qin, Chem. Commun., 2018, 54, 12654
DOI: 10.1039/C8CC07098A

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