Amphiphile Meets Amphiphile: Beyond the PolarApolar Dualism in Ionic Liquid/Alcohol Mixtures (Articolo in rivista)

Type
Label
  • Amphiphile Meets Amphiphile: Beyond the PolarApolar Dualism in Ionic Liquid/Alcohol Mixtures (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/jz500743v (literal)
Alternative label
  • Olga Russina, Alessio Sferrazza, Ruggero Caminiti, and Alessandro Triolo (2014)
    Amphiphile Meets Amphiphile: Beyond the PolarApolar Dualism in Ionic Liquid/Alcohol Mixtures
    in The journal of physical chemistry letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Olga Russina, Alessio Sferrazza, Ruggero Caminiti, and Alessandro Triolo (literal)
Pagina inizio
  • 1738 (literal)
Pagina fine
  • 1742 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 5 (literal)
Rivista
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Department of Chemistry, Sapienza University of Rome, 00185 Rome, Italy?Laboratorio Liquidi Ionici, Istituto Struttura della Materia, Consiglio Nazionale delle Ricerche, 00133 Rome, Italy (literal)
Titolo
  • Amphiphile Meets Amphiphile: Beyond the PolarApolar Dualism in Ionic Liquid/Alcohol Mixtures (literal)
Abstract
  • The mesoscopic morphology of binary mixtures of ethylammonium nitrate (EAN), the protic ionic liquid par excellence, and methanol is explored using neutron/X-ray di ff raction and computational technique s. Both compounds are amphiphilic and characterized by an extended hydrogen bonding network: surprisingly, though macroscopi- cally homogeneous, these mixtures turn out to be mesoscopically highly heterogeneous. Our study reveals that even in methanol-rich mixtures, a wide distribution of clusters exists where EAN preserves its bulk, sponge-like morphology. Accordingly methanol does not succeed in fully dissociating the ionic liquid that keeps on organizing in a bulk-like fashion. This behavior represents the premises to the more dramatic phenomenology observed with longer alcohols that eventually phase separate from EAN. These results challenge the commonly accepted polar and apolar moieties segregation in ionic liquids/molecular liquids mixtures and the current understanding of technologically relevant solvation processes. (literal)
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