Abstract

We report a strategy to expand the pore aperture of metal-organic frameworks (MOFs) into a previously unattained size regime (>32 angstroms). Specifically, the systematic expansion of a well-known MOF structure, MOF-74, from its original link of one phenylene ring (I) to two, three, four, five, six, seven, nine, and eleven (II to XI, respectively), afforded an isoreticular series of MOF-74 structures (termed IRMOF-74-I to XI) with pore apertures ranging from 14 to 98 angstroms. All members of this series have noninterpenetrating structures and exhibit robust architectures, as evidenced by their permanent porosity and high thermal stability (up to 300°C). The pore apertures of an oligoethylene glycol-functionalized IRMOF-74-VII and IRMOF-74-IX are large enough for natural proteins to enter the pores.

Links

Publisher Full Text

Authors

Deng H, Grunder S, Cordova KE, Valente C, Furukawa H, Hmadeh M, Gándara F, Whalley AC, Liu Z, Asahina S, Kazumori H, O'Keeffe M, Terasaki O, Stoddart JF, Yaghi OM

Institution

Center for Reticular Chemistry, University of California, Los Angeles (UCLA)-US Department of Energy (DOE) Institute for Genomics and Proteomics, UCLA, Los Angeles, CA 90095, USA.

Source

Science (New York, N.Y.) 336:6084 2012 May 25 pg 1018-23

MeSH

Crystallization
Crystallography, X-Ray
Magnesium
Models, Molecular
Molecular Structure
Oxides
Phthalic Acids
Porosity
Zinc

Pub Type(s)

Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.

Language

eng

PubMed ID

22628651