Web of Science: 8 citations, Scopus: 8 citations, Google Scholar: citations,
Postsynthetic Selective Ligand Cleavage by Solid-Gas Phase Ozonolysis Fuses Micropores into Mesopores in Metal-Organic Frameworks
Guillerm, Vincent (Institut Català de Nanociència i Nanotecnologia)
Xu, Heng (Institut Català de Nanociència i Nanotecnologia)
Albalad, Jorge (Institut Català de Nanociència i Nanotecnologia)
Imaz, Inhar (Institut Català de Nanociència i Nanotecnologia)
Maspoch Comamala, Daniel (Institut Català de Nanociència i Nanotecnologia)

Date: 2018
Abstract: Herein we report a novel, ozone-based method for postsynthetic generation of mesoporosity in metal-organic frameworks (MOFs). By carefully selecting mixed-ligand Zr-fcu-MOFs based on organic ligand pairs in which one ligand has ozone-cleavable olefin bonds and the other ligand is ozone-resistant, we were able to selectively break the cleavable ligand via ozonolysis to trigger fusion of micropores into mesopores within the MOF framework. This solid-gas phase method is performed at room-temperature, and, depending on the cleavable ligand used, the resultant ligand-fragments can be removed from the ozonated MOF by either washing or sublimation. Compared to the corresponding highly microporous starting MOFs, the highly mesoporous product MOFs exhibit radically distinct gas sorption properties.
Note: Altres ajuts: Generalitat de Catalunya for a Beatriu de Pinós fellowship (2014 BP-B 00155)
Note: Número d'acord de subvenció MINECO/MAT2015‐65354‐C2‐1‐R
Note: Número d'acord de subvenció AGAUR/2014/SGR-80
Note: Número d'acord de subvenció EC/FP7/615954
Note: Número d'acord de subvenció MINECO/SEV‐2013‐0295
Rights: Tots els drets reservats
Language: Anglès.
Document: article ; recerca ; acceptedVersion
Subject: Gas sorption properties ; Gas-phase ozonolysis ; Mesoporosity ; Metal organic framework ; Metalorganic frameworks (MOFs) ; Mixed-ligands ; Organic ligands ; Selective ligands
Published in: Journal of the American Chemical Society, Vol. 140, Issue 44 (November 2018) , p. 15022-15030, ISSN 1520-5126

DOI: 10.1021/jacs.8b09682


Postprint
17 p, 1.2 MB

The record appears in these collections:
Research literature > UAB research groups literature > Research Centres and Groups (scientific output) > Experimental sciences > Catalan Institute of Nanoscience and Nanotechnology (ICN2)
Articles > Research articles
Articles > Published articles

 Record created 2019-07-22, last modified 2019-12-10



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