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Metal coordination and metal activation abilities of commonly unreactive chloromethanes toward metal-organic frameworks

Title
Metal coordination and metal activation abilities of commonly unreactive chloromethanes toward metal-organic frameworks
Authors
Bae, JinheeLee, Eun JiJeong, Nak Cheon
DGIST Authors
Jeong, Nak Cheon
Issue Date
2018-06
Citation
Chemical Communications, 54(50), 6458-6471
Type
Article
Article Type
Review
Keyword
MIXED-MATRIX MEMBRANES; POROUS MATERIALS; CARBON-DIOXIDE; HYDROGEN STORAGE; ROOM-TEMPERATURE; METHANE STORAGE; CO2 SEPARATION; SITES; GAS; ADSORPTION
ISSN
1359-7345
Abstract
Over the last two decades, metal-organic frameworks (MOFs) have received particular attention because of their attractive properties such as permanent nanoporosity and the extraordinary functionality of open coordination sites (OCSs) at metal nodes. In particular, MOFs with open-state OCSs have shown potential in applications such as chemical separation, molecular sorption, catalysis, ionic conduction, and sensing. Thus, the activation of OCSs, i.e., the removal of coordinated solvent to produce open-state OCSs, has been viewed as an essential step that must be performed prior to the use of the MOFs in the aforementioned applications. This Feature Article focuses on the chemical functions of the commonly unreactive chloromethanes, i.e., dichloromethane (DCM) and trichloromethane (TCM), including their coordination to OCSs and activation of OCSs. Treatment with a chloromethane is a chemical route to activate OCSs that does not require an additional supply of external thermal energy. Importantly, a plausible mechanism for the chemical process, in which DCM and TCM weakly coordinate to the OCSs and then spontaneously dissociate in an intermediate step, which is proposed based on the results obtained from Raman studies will be discussed. Possible applications of chloromethane treatment to activate large-area MOF films and MOF-polymer mixed matrices, which can be propagated in molecular capture, will also be described. © 2018 The Royal Society of Chemistry.
URI
http://hdl.handle.net/20.500.11750/9006
DOI
10.1039/c8cc02348d
Publisher
Royal Society of Chemistry
Related Researcher
  • Author Jeong, Nak Cheon Nanoporous Chemistry Laboratory
  • Research Interests Inorganic Chemistry; Metal-Organic Framework; Nanoporous Materials; Electron Transport;Ion Transport
Files:
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Collection:
Department of Emerging Materials ScienceNanoporous Chemistry Laboratory1. Journal Articles


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