Selected chemical-physical properties and structural heterogeneities in 1-ethyl-3-methylimidazolium alkyl-sulfate room temperature ionic liquids (Articolo in rivista)

Type
Label
  • Selected chemical-physical properties and structural heterogeneities in 1-ethyl-3-methylimidazolium alkyl-sulfate room temperature ionic liquids (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Alternative label
  • Russina O.; Gontrani L.; Fazio B.; Lombardo D.; Triolo A.; Caminiti R. (2010)
    Selected chemical-physical properties and structural heterogeneities in 1-ethyl-3-methylimidazolium alkyl-sulfate room temperature ionic liquids
    in Chemical physics letters (Print)
    (literal)
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  • Russina O.; Gontrani L.; Fazio B.; Lombardo D.; Triolo A.; Caminiti R. (literal)
Pagina inizio
  • 259 (literal)
Pagina fine
  • 262 (literal)
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  • 493 (literal)
Rivista
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  • http://dx.doi.org/10.1016/j.cplett.2010.05.042 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Chimica, Università di Roma, ‘La Sapienza’, P. le Aldo Moro 5, I-00185 Roma, Italy Istituto per i Processi Chimico-Fisici, sez. Messina, Consiglio Nazionale delle Ricerche, Viale F. Stagno D’Alcontres, 37 I-98158, Messina, Italy Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche, Area della Ricerca di Tor Vergata, Via del Fosso del Cavaliere, 100, I-00133 Rome, Italy (literal)
Titolo
  • Selected chemical-physical properties and structural heterogeneities in 1-ethyl-3-methylimidazolium alkyl-sulfate room temperature ionic liquids (literal)
Abstract
  • Here we report on the temperature dependence of the density and refractive index of alkyl-sulfate room temperature ionic liquids (RTIL): 1-ethyl-3-methylimidazolium n-alkyl-sulfate, [C2mim][CnOSO3] (n = 2, 4, 6, 8). Moreover an X-ray scattering structural study on the salts’ morphology is presented, highlighting the existence of nano-scale structural heterogeneities, whose size depends linearly on the anion alkyl chain length. This behaviour was observed in other RTILs and is related to nano-scale alkyl chains’ segregation into a charged network. This study shows differences between alkyl-sulfate salts and other RTILs, providing new indication for further tuning the RTILs’ properties by wise modification of chemical architecture. (literal)
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