Volume 127, Issue 31 pp. 9157-9160
Zuschrift

In Situ Modification of Metal–Organic Frameworks in Mixed-Matrix Membranes

Michael S. Denny Jr.

Michael S. Denny Jr.

Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA 92093 (USA)

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Prof. Dr. Seth M. Cohen

Corresponding Author

Prof. Dr. Seth M. Cohen

Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA 92093 (USA)

Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA 92093 (USA)Search for more papers by this author
First published: 12 June 2015
Citations: 69

M.S.D. was provided partial stipend and tuition support by a Chancellor's Interdisciplinary ‘Collaboratories’ award (U.C. San Diego). All other aspects of this study were supported by a grant from the Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering under Award No. DE-FG02-08ER46519. Mechanical data (tensile strength measurements) were acquired with assistance from Steven Naleway and Prof. Joanna McKittrick at the Department of Mechanical and Aerospace Engineering (UCSD).

Abstract

Processable films of metal–organic frameworks (MOFs) have been long sought to advance the application of MOFs in various technologies from separations to catalysis. Herein, MOF–polymer mixed-matrix membranes (MMMs) are described, formed on several substrates using a wide variety of MOF materials. These MMMs can be delaminated from their substrates to create free-standing MMMs that are mechanically stable and pliable. The MOFs in these MMMs remain highly crystalline, porous, and accessible for further chemical modification through postsynthetic modification (PSM) and postsynthetic exchange (PSE) processes. Overall, the findings here demonstrate a versatile approach to preparing stable functional MMMs that should contribute significantly to the advancement of these materials.

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