A family of nitrogen enriched metal organic frameworks with CCS potential

Emma Dooris, Craig A. McAnally, Edmund J. Cussen, Alan R. Kennedy, Ashleigh J. Fletcher

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Materials with enhanced carbon capture capacities are required to advance post-combustive amelioration methods; these are necessary to reduce atmospheric carbon dioxide emissions and the associated rate of global temperature increase. Current technologies tend to be very energy intensive processes with high levels of waste produced; this work presents three new metal organic framework materials with embedded Lewis base functionalities, imparted by the nitrogen-rich ligand, demonstrating an affinity for carbon dioxide. Thus , we report the synthesis and characterization of a series of metal organic framework materials using a range of metal centers (Co, Ni, and Zn) with the 1,4-bis(pyridin-4-yl)-1,2,4,5-tetrazine organic linker, in the presence of ammonium hexafluorosilicate. Three distinct crystal structures are reported for Zn-pytz(hydro) 1D chains, and Ni-pytz and Co-pytz isostructural 1D Ladders. Co-pytz shows an uptake of 47.53mg CO2/g of sorbent, which equates to 15 wt % based on available nitrogen sites within the structure, demonstrating potential for carbon capture applications.
LanguageEnglish
Number of pages8
JournalCrystals
Volume6
Issue number14
DOIs
Publication statusPublished - 21 Jan 2016

Fingerprint

Carbon capture
Nitrogen
Metals
organic materials
nitrogen
Carbon Dioxide
carbon dioxide
Carbon dioxide
Lewis Bases
metals
Lewis base
sorbents
carbon
Ladders
Sorbents
ladders
affinity
Crystal structure
Ligands
ligands

Keywords

  • carbon capture
  • adsorption
  • crystallography
  • synthesis
  • transition metals
  • gravimetry

Cite this

Dooris, Emma ; McAnally, Craig A. ; Cussen, Edmund J. ; Kennedy, Alan R. ; Fletcher, Ashleigh J. / A family of nitrogen enriched metal organic frameworks with CCS potential. In: Crystals. 2016 ; Vol. 6, No. 14.
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A family of nitrogen enriched metal organic frameworks with CCS potential. / Dooris, Emma; McAnally, Craig A.; Cussen, Edmund J.; Kennedy, Alan R.; Fletcher, Ashleigh J.

In: Crystals, Vol. 6, No. 14, 21.01.2016.

Research output: Contribution to journalArticle

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T1 - A family of nitrogen enriched metal organic frameworks with CCS potential

AU - Dooris, Emma

AU - McAnally, Craig A.

AU - Cussen, Edmund J.

AU - Kennedy, Alan R.

AU - Fletcher, Ashleigh J.

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Y1 - 2016/1/21

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AB - Materials with enhanced carbon capture capacities are required to advance post-combustive amelioration methods; these are necessary to reduce atmospheric carbon dioxide emissions and the associated rate of global temperature increase. Current technologies tend to be very energy intensive processes with high levels of waste produced; this work presents three new metal organic framework materials with embedded Lewis base functionalities, imparted by the nitrogen-rich ligand, demonstrating an affinity for carbon dioxide. Thus , we report the synthesis and characterization of a series of metal organic framework materials using a range of metal centers (Co, Ni, and Zn) with the 1,4-bis(pyridin-4-yl)-1,2,4,5-tetrazine organic linker, in the presence of ammonium hexafluorosilicate. Three distinct crystal structures are reported for Zn-pytz(hydro) 1D chains, and Ni-pytz and Co-pytz isostructural 1D Ladders. Co-pytz shows an uptake of 47.53mg CO2/g of sorbent, which equates to 15 wt % based on available nitrogen sites within the structure, demonstrating potential for carbon capture applications.

KW - carbon capture

KW - adsorption

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KW - transition metals

KW - gravimetry

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