Direct visualisation of carbon dioxide adsorption in gate-opening zeolitic imidazolate framework ZIF-7

Pu Zhao, Giulio I Lampronti, Gareth O Lloyd, Emmanuelle Suard, Simon A T Redfern

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Abstract

The crystal structures of zeolitic imidazolate framework 7 (ZIF-7) under various CO2 pressures were studied by high-resolution neutron powder diffraction. CO2 adsorption in ZIF-7 is visualised and demonstrated to be primarily controlled by the benzimidazolate ligands via a gate-opening mechanism. Our results highlight the importance of pressure on the CO2 adsorption and the related structural framework responses in ZIF-7.

Original languageEnglish
Pages (from-to)620-623
Number of pages4
JournalJournal of Materials Chemistry A
Volume2
Issue number3
DOIs
Publication statusPublished - 2014

Keywords

  • METAL-ORGANIC FRAMEWORK
  • HYDROGEN
  • AMORPHIZATION
  • SEPARATION
  • PRESSURE
  • TOPOLOGY
  • CRYSTAL

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