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Carbon-based ionogels tuning the properties of the ionic liquid via carbon-ionic liquid interaction

  • The behavior of two ionic liquids (ILs), 1-ethyl-3-methylimidazolium dicyanamide [Emim][DCA] and 1-ethyl-3-methylimidazolium triflate [Emim][TfO], in (meso) porous carbonaceous hosts was investigated. Prior to IL incorporation into the host, the carbon matrix was thermally annealed between 180 and 900 degrees C to control carbon condensation and surface chemistry. The resulting materials have an increasing "graphitic'' carbon character with increasing treatment temperature, reflected in a modified behavior of the ILs when impregnated into the carbon host. The two ILs show significant changes in the thermal behavior as measured from differential scanning calorimetry; these changes can be assigned to anion-pi interaction between the IL anions and the pore wall surfaces of these flexible carbonaceous support materials.

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Author details:Ronald Goebel, Robin J. White, Maria-Magdalena Titirici, Andreas TaubertORCiDGND
DOI:https://doi.org/10.1039/c2cp23929a
ISSN:1463-9076
Title of parent work (English):Physical chemistry, chemical physics : a journal of European Chemical Societies
Publisher:Royal Society of Chemistry
Place of publishing:Cambridge
Publication type:Article
Language:English
Year of first publication:2012
Publication year:2012
Release date:2017/03/26
Volume:14
Issue:17
Number of pages:6
First page:5992
Last Page:5997
Funding institution:Potsdam Graduate School "Chemical Reaction in Green Solvents''; Deutsche Forschungsgemeinschaft [TA571/2-1, 3-1, 7-1]; University of Potsdam; Fonds der Chemischen Industrie; Colloid Chemistry Department of the Max Planck Institute of Colloids and Interfaces
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Chemie
Peer review:Referiert
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