Gate-opening effect in ZIF-8: the first experimental proof using inelastic neutron scattering

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Title: Gate-opening effect in ZIF-8: the first experimental proof using inelastic neutron scattering
Authors: Casco, Mirian Elizabeth | Cheng, Yongqiang | Daemen, Luke | Fairen-Jimenez, David | Ramos-Fernández, Enrique V. | Ramírez-Cuesta, Anibal J. | Silvestre-Albero, Joaquín
Research Group/s: Materiales Avanzados
Center, Department or Service: Universidad de Alicante. Departamento de Química Inorgánica | Universidad de Alicante. Instituto Universitario de Materiales
Keywords: Gate-opening effect | ZIF-8 | Inelastic neutron scattering
Knowledge Area: Química Inorgánica
Issue Date: 28-Jan-2016
Publisher: Royal Society of Chemistry
Citation: Chemical Communications. 2016, 52: 3639-3642. doi:10.1039/C5CC10222G
Abstract: The gate-opening phenomenon in ZIFs is of paramount importance to understand their behavior in industrial molecular separations. Here we show for the first time using in situ inelastic neutron scattering (INS) the swinging of the –CH3 groups and the imidazolate linkers in the prototypical ZIF-8 and ZIF-8@AC hybrid materials upon exposure to mild N2 pressure.
Sponsor: The authors acknowledge financial support from MINECO projects: MAT2013-45008-p and CONCERT Project-NASEMS (PCIN-2013-057). EVRF gratefully acknowledge support from MINECO (Spain) for his Ramón y Cajal grant (RyC-2012-11427). DFJ thanks the Royal Society (UK) for funding through a University Research Fellowship and Dr Axel Zeitler for interesting discussions. This research benefited from the use of the VISION beamline (IPTS-13608) at ONRL’s Spallation Neutron Source and the VirtuES (Virtual Experiments in Spectroscopy) project, (LDRD 7739), which are supported by the Scientific User Facilities Division, Office of Basic Energy Sciences, U.S. Department of Energy, under Contract No. DE-AC0500OR22725 with UT Battelle, LLC.
URI: http://hdl.handle.net/10045/62490
ISSN: 1359-7345 (Print) | 1364-548X (Online)
DOI: 10.1039/C5CC10222G
Language: eng
Type: info:eu-repo/semantics/article
Rights: This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.
Peer Review: si
Publisher version: http://dx.doi.org/10.1039/C5CC10222G
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