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Diverse cobalt(II) coordination polymers for water/ethanol separation and luminescence for water sensing applications

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Abstract

Four cobalt coordination polymers, namely, {[Co(3-pmpmd)Cl2]·2.6CH3OH}n (1), {[Co2(3-pmpmd)4(NCS)4]·2CH3OH·5CHCl3}n (2), {[Co(3-pmpmd)1.5(NO3)2]·0.8CH3OH}n (3) and {[Co(3-pmpmd)2(NCS)2]·CHCl3}n (4) (3-pmpmd = N,N′-bis(3-pyridylmethyl)pyromellitic diimide) have been synthesized and characterized. The different conformations of the diimide ligand are crucial for obtaining structural diversity. The adsorption isotherms of complex 3 for water and ethanol are quite different; 3 adsorbs water with a gate-opening phenomenon, but it does not adsorb ethanol and therefore, it has the potential capacity to capture water from ethanol.

Graphical abstract: Diverse cobalt(ii) coordination polymers for water/ethanol separation and luminescence for water sensing applications

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Publication details

The article was received on 02 May 2018, accepted on 08 Jun 2018 and first published on 11 Jun 2018


Article type: Paper
DOI: 10.1039/C8CE00709H
Citation: CrystEngComm, 2018, Advance Article
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    Diverse cobalt(II) coordination polymers for water/ethanol separation and luminescence for water sensing applications

    G. Li, Q. Yang, R. Pan and S. Liu, CrystEngComm, 2018, Advance Article , DOI: 10.1039/C8CE00709H

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