Chemically blockable transformation and ultraselective low-pressure gas adsorption in a non-porous metal organic framework

Bo Xiao, Peter J. Byrne, Paul S. Wheatley, David S. Wragg, Xuebo Zhao, Ashleigh J. Fletcher, K. Mark Thomas, Lars Peters, John S.O. Evans, John E. Warren, Wuzong Zhou, Russell E. Morris

Research output: Contribution to journalArticle

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Abstract

Metal organic frameworks (MOFs) are among the most exciting materials discovered recently, attracting particular attention for their gas-adsorption and -storage properties. Certain MOFs show considerable structural flexibility in response to various stimuli. Although there are several examples of 'breathing' MOFs, in which structural changes occur without any bond breaking, examples of transformations in which several bonds are broken and made are much rarer. In this paper we demonstrate how a flexible MOF, Cu-2(OH)(C8H3O7S)(H2O)center dot 2H(2)O, can be synthesized by careful choice of the organic linker ligand. The flexibility can be controlled by addition of a supplementary coordinating molecule, which increases the thermal stability of the solid sufficiently for direct imaging with electron microscopy to be possible. We also demonstrate that the MOF shows unprecedented low-pressure selectivity towards nitric oxide through a coordination-driven gating mechanism. The chemical control over these behaviours offers new possibilities for the synthesis of MOFs with unusual and potentially exploitable properties.
LanguageEnglish
Pages289-294
Number of pages6
JournalNature Chemistry
Volume1
Issue number4
Early online date22 Jun 2009
DOIs
Publication statusPublished - Jul 2009

Fingerprint

Gas adsorption
Metals
Nitric oxide
Electron microscopy
Nitric Oxide
Thermodynamic stability
Ligands
Imaging techniques
Molecules

Keywords

  • ultraselective low-pressure gas adsorption
  • gas adsorption
  • non-porous metal
  • organic framework
  • chemical engineering

Cite this

Xiao, Bo ; Byrne, Peter J. ; Wheatley, Paul S. ; Wragg, David S. ; Zhao, Xuebo ; Fletcher, Ashleigh J. ; Thomas, K. Mark ; Peters, Lars ; Evans, John S.O. ; Warren, John E. ; Zhou, Wuzong ; Morris, Russell E. / Chemically blockable transformation and ultraselective low-pressure gas adsorption in a non-porous metal organic framework. In: Nature Chemistry. 2009 ; Vol. 1, No. 4. pp. 289-294.
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Xiao, B, Byrne, PJ, Wheatley, PS, Wragg, DS, Zhao, X, Fletcher, AJ, Thomas, KM, Peters, L, Evans, JSO, Warren, JE, Zhou, W & Morris, RE 2009, 'Chemically blockable transformation and ultraselective low-pressure gas adsorption in a non-porous metal organic framework' Nature Chemistry, vol. 1, no. 4, pp. 289-294. https://doi.org/10.1038/nchem.254

Chemically blockable transformation and ultraselective low-pressure gas adsorption in a non-porous metal organic framework. / Xiao, Bo; Byrne, Peter J.; Wheatley, Paul S.; Wragg, David S.; Zhao, Xuebo; Fletcher, Ashleigh J.; Thomas, K. Mark; Peters, Lars; Evans, John S.O.; Warren, John E.; Zhou, Wuzong; Morris, Russell E.

In: Nature Chemistry, Vol. 1, No. 4, 07.2009, p. 289-294.

Research output: Contribution to journalArticle

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