Microscopic Structural and Dynamic Features in Triphilic Room Temperature Ionic Liquids

Fabrizio Lo Celso, Man Zhao, Man Zhao, Man Zhao, Man Zhao, Lorenzo Gontrani, Olga Russina, Edward J. Castner, Elisabetta Simonetti, Uwe Keiderling, Giovanni B. Appetecchi, Alessandro Triolo

Risultato della ricerca: Articlepeer review

10 Citazioni (Scopus)

Abstract

Here we report a thorough investigation of the microscopic and mesoscopic structural organization in a series of triphilic fluorinated room temperature ionic liquids, namely [1-alkyl, 3-methylimidazolium][(trifluoromethanesulfonyl)(nonafluorobutylsulfonyl)imide], with alkyl=ethyl, butyl, octyl ([C(n)mim][IM14], n = 2, 4, 8), based on the synergic exploitation of X-ray and Neutron Scattering and Molecular Dynamics simulations. This study reveals the strong complementarity between X-ray/neutron scattering in detecting the complex segregated morphology in these systems at mesoscopic spatial scales. The use of MD simulations delivering a very good agreement with experimental data allows us to gain a robust understanding of the segregated morphology. The structural scenario is completed with determination of dynamic properties accessing the diffusive behavior and a relaxation map is provided for [C(2)mim][IM14] and [C(8)mim][IM14], highlighting their natures as fragile glass formers.
Lingua originaleEnglish
pagine (da-a)285-298
Numero di pagine14
RivistaFrontiers in Chemistry
Volume7
Stato di pubblicazionePublished - 2019

All Science Journal Classification (ASJC) codes

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