A calcium coordination framework having permanent porosity and high CO 2/N 2 selectivity

Debasis Banerjee, Zhijuan Zhang, Anna M. Plonka, Jing Li, John B. Parise

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A thermally stable, microporous calcium coordination network shows a reversible 5.75 wt % CO 2 uptake at 273 K and 1 atm pressure, with an enthalpy of interaction of ∼31 kJ/mol and a CO 2/N 2 selectivity over 45 under ideal flue gas conditions. The absence of open metal sites in the activated material suggests a different mechanism for selectivity and high interaction energy compared to those for frameworks with open metal sites.

Original languageEnglish
Pages (from-to)2162-2165
Number of pages4
JournalCrystal Growth and Design
Issue number5
Publication statusPublished - May 2 2012


ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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