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Issue 44, 2013
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CO2 selective dynamic two-dimensional ZnII coordination polymer

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Abstract

A CO2 selective dynamic two-dimensional (2D) MOF system, [Zn(glu)(μ-bpe)]·2H2O (I·2H2O) (glu = glutarate, bpe = 1,2-bis(4-pyridyl)ethylene), is prepared. Based on variable temperature PXRD patterns, I·2H2O exhibits a structural transformation of the framework upon desolvation. Various gas sorption analyses at low temperatures reveal that solvent-free I selectively adsorbs CO2 over N2, H2, and CH4. Stepped CO2 isotherms for solvent-free I with a large hysteresis between adsorption and desorption branches at 196 K indicate that I is a dynamic framework. Moreover, I·2H2O shows efficient heterogeneous catalytic reactivity for transesterification of various esters. The catalyst can be recycled multiple times without losing its original activity.

Graphical abstract: CO2 selective dynamic two-dimensional ZnII coordination polymer

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Publication details

The article was received on 28 Jun 2013, accepted on 27 Aug 2013, published on 30 Aug 2013 and first published online on 30 Aug 2013


Article type: Paper
DOI: 10.1039/C3DT51729B
Citation: Dalton Trans., 2013,42, 15645-15649
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    CO2 selective dynamic two-dimensional ZnII coordination polymer

    I. H. Hwang, J. M. Bae, Y. Hwang, H. Kim, C. Kim, S. Huh, S. Kim and Y. Kim, Dalton Trans., 2013, 42, 15645
    DOI: 10.1039/C3DT51729B

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