title: Nanoscale Density Fluctuations in Ionic Liquid Binary Mixtures with Nonamphiphilic Compounds: First Experimental Evidence.
abstract: A complex mesoscopic organization is observed in systems containing ethylammonium nitrate (EAN) and two nonamphiphilic compounds, using wide and small angle X-ray scattering and molecular dynamics simulations. The macroscopically homogeneous mixtures exhibit a separation where an ionic liquid-rich region is percolating a molecular liquid-rich one, but no unmixing is observed. This effect was already reported in EAN-alcohol mixtures, but the models proposed so far cannot explain this behavior for a nonamphiphilic compound.
authors.affiliation: Department of Chemistry, "La Sapienza" University of Rome , Piazzale Aldo Moro 5, 00185 Rome, Italy.
authors.forename: Alessandro
authors.initials: A
authors.lastname: Mariani
authors.affiliation: Beamline ID02, ESRF-The European Synchrotron , CS 40220, 38043 Grenoble Cedex 9, France.
authors.forename: Rajeev
authors.initials: R
authors.lastname: Dattani
authors.affiliation: Department of Chemistry, "La Sapienza" University of Rome , Piazzale Aldo Moro 5, 00185 Rome, Italy.|Centro di Ricerca per le Nanotecnologie Applicate all'Ingegneria, Laboratorio per le Nanotecnologie e le Nanoscienze, "La Sapienza" University of Rome , Piazzale Aldo Moro 5, 00185 Rome, Italy.
authors.forename: Ruggero
authors.initials: R
authors.lastname: Caminiti
authors.affiliation: Department of Chemistry, "La Sapienza" University of Rome , Piazzale Aldo Moro 5, 00185 Rome, Italy.
authors.forename: Lorenzo
authors.initials: L
authors.lastname: Gontrani