Nanoscale segregation in room temperature ionic liquids

Article Abstract:

The first empirical proofs are presented to demonstrate the presence of nanoscale heterogeneities in neat liquids and supercooled room-temperature ionic liquids (RTILs) like 1-alkyl-3-methyl imidazolium-based salts by applying X-ray diffraction. The study focuses on the heterogeneities size dependence on the temperature and demonstrates that a behavior that represents the density one only below the glass transition, highlighting a complicated behavior above this temperature and proposes a unique interpretation method for the novel chemical physical properties of RTILs.

Analysis, Molecular dynamics, X-rays, X-ray diffraction, Optical properties, Ionic solutions, Chemical properties

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Thermodynamics, structure, and dynamics in room temperature ionic liquids: The case of 1-butyl-3-methyl imidazolium hexafluorophosphate ([bmim][PF6])

Article Abstract:

The phase diagram of 1-butyl-3-methyl imidazolium hexafluorophoshate ([bmim][PF6]) is investigated on the basis of a wide set of experimental data accessing thermodynamic, structural, and dynamical properties of this important room temperature ionic liquid (RTIL). The results provide a strong experimental basis for the exploration of the features of the phase diagram of RTILs and for the further study of longer alkyl chain salts.

Science & research, Research, Thermal properties, Thermodynamics, Ionization, Structure, Methyl groups, Methyl compounds

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