Journal
LANGMUIR
Volume 27, Issue 13, Pages 7991-7995Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la201431z
Keywords
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Funding
- Kansai University
- Japan Society for the Promotion of Science (JSPS) [21760562]
- Grants-in-Aid for Scientific Research [21760562] Funding Source: KAKEN
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An alkylimidazolium-based long-chain ionic liquid (LCIL) was immobilized in silica nanopores via a supramolecular assembly approach. To discuss the characteristic features of LCIL in a confined nanospace, except for the characteristics of the host materials, we have prepared the silica host with monodisperse morphology and a nanostructured system to immobilize LCIL. The nanostructure is composed of three distinct regions: the silica framework, the hydrophobic interior of the alkyl chains, and the organic inorganic ionic interface. Anomalous CO2 adsorption sites were found to be well-ordered locations on the ionic interface fabricated by the a pi-pi-stacked imidazolium heads containing inorganic anions and polar silica surfaces.
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