Flexibility in metal-organic framework materials: impact on sorption properties

A.J. Fletcher, K.M. Thomas, M.J. Rosseinsky

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440 Citations (Scopus)

Abstract

Recent years have seen the development of a new class of porous coordination polymers known collectively as metal organic framework materials (MOFs). This review outlines recent progress in understanding how adsorption characteristics of these systems differ from rigid classical sorbents such as activated carbon and zeolites. Gas/vapor adsorption studies for characterization of the porous structures of MOF materials are reviewed and differences in adsorption characteristics based on detailed measurement of equilibrium and dynamical sorption behavior, compared with previous generations of sorbents, are highlighted. The role of framework flexibility and specific structural features, such as windows and pore cavities, within the MOF porous structures are discussed in relation to adsorption mechanisms.
Original languageEnglish
Pages (from-to)2491-2510
Number of pages19
JournalJournal of Solid State Chemistry
Volume178
Issue number8
DOIs
Publication statusPublished - Aug 2005

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Keywords

  • metal organic framework materials
  • sorption
  • porous materials
  • pore windows
  • framework flexibility
  • adsorption dynamics
  • chemical engineering

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