Browsing by Author "Mitsari, Efstratia"
Now showing items 1-11 of 11
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A facile approach to hydrophilic oxidized fullerenes and their derivatives as cytotoxic agents and supports for nanobiocatalytic systems
Zygouri, Panagiota; Spyrou, Konstantinos; Mitsari, Efstratia; Barrio Casado, María del; Macovez, Roberto; Patila, Michaela; Stamatis, Haralambo; Verginadis, Ioannis; Velalopoulou, Anastasia; Evangelou, Angelos; Sideratou, Zili; Gournis, Dimitrios; Rudolf, Petra (Nature, 2020-12-01)
Article
Open AccessA facile, environment-friendly, versatile and reproducible approach to the successful oxidation of fullerenes (oxC60) and the formation of highly hydrophilic fullerene derivatives is introduced. This synthesis relies on ... -
C60 solvate with (1,1,2)-trichloroethane: dynamic statistical disorder and mixed conformation
Mitsari, Efstratia; Romanini, Michela; Qureshi, Navid; Tamarit Mur, José Luis; Barrio Casado, María del; Macovez, Roberto (2016-05-27)
Article
Open AccessWe present a full characterization of the orientationally disordered cocrystal of C-60 with (1,1,2)-triChloroethane (C2H3Cl3), by means of X-ray diffraction, Raman spectroscopy, and broadband dielectric spectroscopy. Our ... -
Guest-molecule dynamics and conductivity effects in carbon-based molecular solids
Mitsari, Efstratia (Universitat Politècnica de Catalunya, 2016-07-28)
Doctoral thesis
Open AccessDisordered systems are abundant in everyday life and so their study is of importance from a scientific and a technological point of view. The most common non-crystalline solid phases are structural glasses (e.g. window ... -
Orientational relaxations in solid (1,1,2,2)tetrachloroethane
Tripathi, Pragya; Mitsari, Efstratia; Romanini, Michela; Serra, Pablo; Tamarit Mur, José Luis; Zuriaga, Jose Mariano; Macovez, Roberto (2016)
Article
Open AccessWe employ dielectricspectroscopy and molecular dynamic simulations to investigate the dipolar dynamics in the orientationally disordered solid phase of (1,1,2,2)tetrachloroethane. Three distinct orientational dynamics are ... -
Protonic surface conductivity and proton space-charge relaxation in hydrated fullerol
Mitsari, Efstratia; Romanini, Michela; Barrio Casado, María del; Tamarit Mur, José Luis; Macovez, Roberto (2017-03-09)
Article
Restricted access - publisher's policyThe ac dielectric properties of both anhydrous fullerol (C-60(OH)(24)) and hydrated fullerol with 20% water mass content are investigated by means of temperature-dependent dielectric spectroscopy. Anhydrous polycrystalline ... -
Silicon-Chip-Based Dielectric Spectroscopy for Conductivity and Molecular Dynamics Studies of Organic Films
Tripathi, Pragya; Gonzalo Ruiz, Javier; Mitsari, Efstratia; Zachariah, Manesh; Romanini, Michela; Tamarit Mur, José Luis; Muñoz Berbel, F. Xavier; Macovez, Roberto (2014-07-29)
Article
Restricted access - publisher's policyInterdigital electrodes fabricated by standard lithography on silicon chips are employed to probe the dipolar molecular dynamics and electric conduction properties of thin rhodamine films grown with two different methods. ... -
Simultaneous orientational and conformational molecular dynamics in solid 1,1,2-Trichloroethane
Romanini, Michela; Mitsari, Efstratia; Tripathi, Pragya; Serra, Pablo; Zuriaga, Jose Mariano; Tamarit Mur, José Luis; Macovez, Roberto (2018-03-15)
Article
Open AccessThe molecular dynamics in the ambient-pressure solid phase of 1,1,2-trichloroethane is studied by means of broadband dielectric spectroscopy and molecular dynamics simulations. The dielectric spectra of polycrystalline ... -
Solid state physicochemical properties and applications of organic and metallo-organic fullerene derivatives
Mitsari, Efstratia; Romanini, Michela; Manesh, Zachariah; Macovez, Roberto (2016)
Article
Open AccessWe review the fundamental properties and main applications of organic derivatives and complexes of fullerenes in the solid-state form. We address in particular the structural properties, in terms of crystal structure, ... -
Ultraslow dynamics of water in organic molecular solids
Macovez, Roberto; Mitsari, Efstratia; Zachariah, Manesh; Romanini, Michela; Zygouri, Panagiota; Gournis, Dimitrios; Tamarit Mur, José Luis (2014-03-06)
Article
Restricted access - publisher's policyThe relaxation dynamics of water in hygroscopic molecular solids is probed by broadband dielectric spectroscopy in the temperature range from 200 to 450 K. Evidence is found for three types of dynamic processes. The ... -
Water-triggered conduction and polarization effects in a hygroscopic fullerene salt
Zachariah, Manesh; Tripathi, Pragya; Mitsari, Efstratia; Romanini, Michela; Zygouri, Panagiota; Gournis, Dimitrios; Barrio Casado, María del; Tamarit Mur, José Luis; Macovez, Roberto (2014)
Conference lecture
Open AccessImpedance spectroscopy is employed to probe the frequency-dependent conductivity and dielectric response of the crystalline C60O24Na24 fulleride, both in its pure form obtained by heating to 473 K and in its bulk-hydrate ... -
Water-Triggered Conduction Mediated by Proton Exchange in a Hygroscopic Fulleride and Its Hydrate
Zachariah, Manesh; Mitsari, Efstratia; Romanini, Michela; Zygouri, Panagiota; Gournis, Dimitrios; Barrio Casado, María del; Tamarit Mur, José Luis; Macovez, Roberto (2015-01-08)
Article
Open AccessImpedance spectroscopy is employed to probe the impact of water on the dc conductivity and ac dielectric response of the polycrystalline C-60(ONa)(24) fulleride, both in its bulk-hydrate form, stable only below 370 K, and ...