Unexpected selective gas adsorption on a 'non-porous' metal organic framework

Stuart Beveridge, Craig A. McAnally, Gary S. Nichol, Alan R. Kennedy, Edmund J. Cussen, Ashleigh J. Fletcher

Research output: Contribution to journalArticle

Abstract

Metal organic framework Cu(tpt)BF4·¾H2O was synthesized as a potential carbon capture material, with the aim to exploit the Lewis base interaction of the incorporated ligand functionalities with the acidic gas. The material displays high thermal stability but an exceptionally low surface area; however, this contrasts starkly with its ability to capture carbon dioxide, demonstrating significant activated diffusion within the framework. Full characterization of the material shows a robust structure, where CO2 sorption is 120% greater than current industrial methods using liquid amine solutions; the thermal energy required for sorbent regeneration is reduced by 65%, indicating true industrial potential of the synthesized material.
Original languageEnglish
Article number548
Number of pages7
JournalCrystals
Volume10
Issue number6
DOIs
Publication statusPublished - 26 Jun 2020

Keywords

  • carbon dioxide
  • activated diffusion
  • adsorption
  • carbon capture
  • interpenetration

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