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Issue 22, 2014
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A microporous Zn(II)–MOF with open metal sites: structure and selective adsorption properties

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Abstract

A three-dimensional microporous framework, Zn(II)–MOF [Zn(HPyImDC)(DMA)]n (1) (H3PyImDC = 2-(pyridine-4-yl)-1H-4,5-imidazoledicarboxylic, DMA = N,N′-dimethylacetamide), with open metal sites and small-sized pores, exhibits excellent selective capture of CO2 over N2 and CH4 at 273 K, as well as alcohols from water. The excellent CO2 adsorption selectivity of 1 allows its potential use in the capture of CO2 from industrial flue gas or the removal of CO2 from natural gas. More interestingly, compound 1 represents the rare case of porous materials separating propanol isomers, which may be caused by the relative flexibility of the linear n-propanol considering that both n-propanol and i-propanol have similar kinetic diameters.

Graphical abstract: A microporous Zn(ii)–MOF with open metal sites: structure and selective adsorption properties

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Publication details

The article was received on 28 Jan 2014, accepted on 15 Mar 2014 and first published on 17 Mar 2014


Article type: Paper
DOI: 10.1039/C4DT00307A
Citation: Dalton Trans., 2014,43, 8311-8317
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    A microporous Zn(II)–MOF with open metal sites: structure and selective adsorption properties

    X. Zheng, Y. Huang, J. Duan, C. Wang, L. Wen, J. Zhao and D. Li, Dalton Trans., 2014, 43, 8311
    DOI: 10.1039/C4DT00307A

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