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Content archived on 2024-06-16

Matrix-confined ionic liquids: structure and dynamics

Objective

We propose to adsorb room temperature ionic liquids (RTILs) into nanoporous inorganic membranes and study the effect that confinement at the nanometer scale has on their physicochemical properties. Ionic liquids have an internal long-range order due to the strong electrostatic interaction. This ordering could be governed by the more rigid orientation of the surface ions at the nanometer scale, especially when ion rearrangements occur due to the interaction with the pore walls. This will impact the molecular dynamics and the charge and mass transport in these liquids. Bulk ionic liquids will be studied in parallel to clearly identify peculiarities at the nanometer scale, and a multidisciplinary approach will be taken to elucidate the interdependencies between their structural and the dynamic properties.

The short and intermediate range order will be investigated using vibrational spectroscopies, small angle x-ray scattering, and NMR techniques, the latter in collaboration with European partners of the INSIDE P ORES NoE. Synchrotron experiments will be performed in addition to obtain high-resolution and ion-specific pair distribution functions. The molecular and transport dynamics will be studied on different time scales via dielectric relaxation spectroscopy, in elastic neutron spectroscopy, and relaxation and pulsed field gradient NMR methods. These instrumental studies will be complemented with theoretical calculations on the transport properties of ionic liquids in nanopores.

The project contributes in several ways to the advancement of key issues of the 6th Framework programme. The study of confined ionic liquids is a new direction in the nano-sciences and thus has some groundbreaking character. Matrix-confined ionic liquids are multifunctional materials that could find application in devices for sustainable energy systems (e.g. fuel cells, batteries), and charge transport in particular has been identified as major challenge in this context.

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Topic(s)

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Call for proposal

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FP6-2002-MOBILITY-5
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Funding Scheme

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EIF - Marie Curie actions-Intra-European Fellowships

Coordinator

DELFT UNIVERSITY OF TECHNOLOGY FACULTY OF APPLIED SCIENCES
EU contribution
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Address


Netherlands

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Total cost

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