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Title: Increasing the Stability of Metal-Organic Frameworks

Journal Article · · Advances in Chemistry
DOI:https://doi.org/10.1155/2014/182327· OSTI ID:1209730
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [2]
  1. Department of Chemistry, Texas A&M University, College Station, TX 77842, USA
  2. Department of Chemistry, Texas A&M University, College Station, TX 77842, USA, Department of Materials Science and Engineering, Texas A&M University, College Station, TX 77842, USA

Metal-organic frameworks (MOFs) are a new category of advanced porous materials undergoing study by many researchers for their vast variety of both novel structures and potentially useful properties arising from them. Their high porosities, tunable structures, and convenient process of introducing both customizable functional groups and unsaturated metal centers have afforded excellent gas sorption and separation ability, catalytic activity, luminescent properties, and more. However, the robustness and reactivity of a given framework are largely dependent on its metal-ligand interactions, where the metal-containing clusters are often vulnerable to ligand substitution by water or other nucleophiles, meaning that the frameworks may collapse upon exposure even to moist air. Other frameworks may collapse upon thermal or vacuum treatment or simply over time. This instability limits the practical uses of many MOFs. In order to further enhance the stability of the framework, many different approaches, such as the utilization of high-valence metal ions or nitrogen-donor ligands, were recently investigated. This review details the efforts of both our research group and others to synthesize MOFs possessing drastically increased chemical and thermal stability, in addition to exemplary performance for catalysis, gas sorption, and separation.

Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0001015; FC36-07G017033
OSTI ID:
1209730
Journal Information:
Advances in Chemistry, Journal Name: Advances in Chemistry Vol. 2014; ISSN 2356-6612
Publisher:
Hindawi Publishing CorporationCopyright Statement
Country of Publication:
Country unknown/Code not available
Language:
English

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