Structural stability of metal organic frameworks in aqueous media - Controlling factors and methods to improve hydrostability and hydrothermal cyclic stability

Najam Ul Qadir*, Syed A.M. Said, Haitham M. Bahaidarah

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

133 Scopus citations

Abstract

Metal organic frameworks (MOFs) have recently emerged as a center of attention among the class of more traditional porous materials including zeolites, activated carbons, and silica gels, due to their significantly larger pore volumes and tunability of pore geometry. A large amount of literature exists incorporating the gas adsorption and separation characteristics of MOFs; however, only a limited portion has been dedicated to the water adsorption properties of these novel materials. Water adsorption capacities of MOFs are known to substantially exceed those of traditional porous materials, due to which they are continuously gaining increasing attention for potential applications in water desalination and purification, dehumidification, and adsorption cooling technologies. However, a vast majority of these materials is characterized by structural degradation on either immediate or prolonged exposure to moist environments, resulting in partial or complete deterioration of water adsorption characteristics of the framework. This article reviews the various structural parameters which control the dimensional stability of MOFs in aqueous media, as well as different strategies which have been reported in literature for improving the hydrothermal resistance of these materials for potential applications in the industrial sector.

Original languageEnglish
Pages (from-to)61-90
Number of pages30
JournalMicroporous and Mesoporous Materials
Volume201
Issue numberC
DOIs
StatePublished - 1 Jul 2015

Bibliographical note

Publisher Copyright:
© 2014 Elsevier Inc. All rights reserved.

Keywords

  • Cyclic
  • Frameworks
  • Hydrostability
  • Hydrothermal
  • Structural

ASJC Scopus subject areas

  • General Chemistry
  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials

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