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Structural and dynamic properties of di-alkyl sulfoxides-ionic liquids mixtures

Grant number: 16/10699-0
Support Opportunities:Scholarships abroad - Research Internship - Doctorate (Direct)
Effective date (Start): October 10, 2016
Effective date (End): October 09, 2017
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Physical-Chemistry
Principal Investigator:Paulo Sergio Santos
Grantee:Jocasta Neves Libório de Avila
Supervisor: Alessandro Triolo
Host Institution: Instituto de Química (IQ). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Research place: Consiglio Nazionale delle Ricerche (CNR), Italy  
Associated to the scholarship:15/02501-2 - Dimethyl sulfoxide (DMSO) as a probe to intermolecular interactions, BP.DD


Dimethyl sulfoxide (DMSO) is a widely spread polar aprotic solvent with enhanced capability of dissolving polar and apolar compounds, whose usage spans from medical to cryo-protection and in general as a powerful dissolution medium. Such properties are the consequences of the substantial dipole moment of sulfoxides as well as its amphiphilic nature. With this proposal, we aim to extend our present study on DMSO structural and dynamical properties in concentrated electrolytic solutions with Raman and 13C NMR spectroscopy, by exploring phase diagram and structural/dynamic properties in DMSO (and its parent compounds: dialkyl sulfoxides) mixtures with ionic liquids, by means of a range of complementary experimental (x-ray/neutron scattering, low frequency Raman and dielectric spectroscopies) and computational (Molecular Dynamics) techniques. (AU)

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