Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 140, Issue 32, Pages 10113-10116Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.8b05802
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Funding
- Scientific and Technological Research Council of Turkey (TUBITAK) [114R093]
- Koc University Seed Fund Program
- TUBA-GEBIP Award
- ERC-2017-Starting Grant
- European Research Council (ERG) under the European Union's Horizon 2020 research and innovation programme (ERC-2017-Starting Grant) [756489-COSMOS]
- HEC-Pakistan Scholarship
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Here, we present a new concept of a core-shell type ionic liquid/metal organic framework (IL/MOF) composite. A hydrophilic IL, 1-(2-hydroxyethyl)-3-methylimidazolium dicyanamide, [HEMIM][DCA], was deposited on a hydrophobic zeolitic imidazolate framework, ZIF-8. The composite exhibited approximately 5.7 times higher CO2 uptake and 45 times higher CO2/CH4 selectivity at 1 mbar and 25 degrees C compared to the parent MOF. Characterization showed that IL molecules deposited on the external surface of the MOF, forming a core (MOF)-shell (IL) type material, in which IL acts as a smart gate for the guest molecules.
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