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Counterbalance between Surface and Confinement Effects As Studied for Amino-Terminated Poly(propylene glycol) Constraint in Silica Nanopores
(American Chemical Society, 2019)
Broadband dielectric spectroscopy (BDS) and orthopositronium annihilation lifetime spectroscopy (PALS) are combined to study the
molecular dynamics and the free volume of poly(propylene glycol) terminated
with amino end ...
Ion Transport in Confined Geometries below the Nanoscale: Access Resistance Dominates Protein Channel Conductance in Diluted Solutions
(2017)
Synthetic nanopores and mesoscopic protein channels have common traits like the importance of electrostatic interactions between the permeating ions and the nanochannel. Ion transport at the nanoscale occurs under confinement ...
Interfacial Effects on Dielectric Propertiesof Polymethylmethacrylate-TitaniaMicrocomposites and Nanocomposites
(Wiley, 2017)
It is discussed that dielectric properties of polymethylmethacrylate (PMMA) composites are influenced by the particle size of titania as a result of changes in the structure and dynamics of polymer chains in the interphase ...
Molecular relaxation and ionic conductivity of ionic liquids confined in apoly(vinylidenefluoride) polymer matrix: Influence of anion and cation type
(Elsevier, 2019)
Blends of poly(vinylidenefluoride) (PVDF) and ionic liquids (ILs) with different cations and anions have beenprepared by solvent casting. The IL content was the same in all blends of the series. Molecular relaxation andionic ...
Broadband dielectric response of silk Fibroin/BaTiO3 composites: Influence of nanoparticle size and concentration
(Elsevier, 2021-06-19)
In order to advance towards more sustainable electronics generation, natural polymers with tailored dielectric response are essential. In this search, the combination of bio-based materials with active fillers in composite ...
Enhanced conductivity of sodium versus lithium salts measured by impedance spectroscopy. Sodium cobaltacarboranes as electrolytes of choice
(Royal Society of Chemistry, 2017)
The development of new types of ion conducting materials is one of the most important challenges in
the field of energy. Lithium salt polymer electrolytes have been the most convenient, and thus the most
widely used in ...
Effect of metallacarborane salt H[COSANE] doping on the performance properties of polybenzimidazole membranes for high temperature PEMFCs
(Royal Society of Chemistry, 2020-07-31)
In this paper, a series of composite proton exchange membranes comprising a cobaltacarborane
protonated H[Co(C2B9H11)2] named (H[COSANE]) and polybenzimidazole (PBI) for a high temperature
proton exchange membrane fuel ...
Dielectric relaxation dynamics in poly(vinylidene fluoride)/Pb(Zr0⋅53Ti0.47) O3 composites
(Elsevier, 2020)
Polymer-ceramic composites based on poly(vinylidene fluoride) and ceramic particles of the inorganic piezoelectric material Pb(Zr0·53Ti0.47)O3 were prepared with different particle concentrations and size by solution casting ...
Hole conductivity and acceptor density of p-type CuGaO2 nanoparticles determined by impedance spectroscopy: The effect of Mg doping
(Elsevier, 2013)
Delafossite materials like CuGaO2 have appeared as promising p-type semiconductor materials for their exploitation in tandem dye sensitized solar cells and water splitting photoelectrochemical cells. However, the intrinsic ...
Elucidating Capacitance and Resistance Terms in Confined Electroactive Molecular Layers
(American Chemical Society, 2013)
Electrochemical analyses on confined electroactive molecular layers, herein exemplified with electroactive self-assembled monolayers, sample current contributions that are significantly influenced by additional nonfaradaic ...