Listar por autoría "ec6d550c-7910-4fdb-83e7-914cd9ea4563"
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An intrinsic electrical conductivity study of perovskite powders MAPbX3 (X = I, Br, Cl) to investigate its effect on their photovoltaic performance
Ullah, Shafi; Andrio, Andreu; Marí Guaita, Júlia; Ullah, Hanif; Méndez-Blas, Antonio; del Castillo, Roxana; Mari, Bernabé; Compañ, Vicente Royal Society of Chemistry (2024-02-07)An investigation into the intrinsic electrical conductivity of perovskite powders MAPbX3, where X represents iodine (I), bromine (Br), or chlorine (Cl), was conducted to explore its impact on their photovoltaic performance. ... -
Are the Accompanying Cations of Doping Anions Influential in Conducting Organic Polymers? The Case of the Popular PEDOT
Fuentes, Isabel; Mostazo-López, María José; Kelemen, Dr. Zsolt; Compañ, Vicente; Andrio, Andreu; Morallón, Emilia; Cazorla-Amoros, Diego; Viñas, Clara; Teixidor, Francesc Wiley (2019-11-13)Conducting organic polymers (COPs) are made of a conjugated polymer backbone supporting a certain degree of oxidation. These positive charges are compensated by the doping anions that are introduced into the polymer synthesis ... -
Bio-Nanocomposite Hydrogel Based on Zinc Alginate/Graphene Oxide: Morphology, Structural Conformation, Thermal Behavior/Degradation, and Dielectric Properties
Sabater i Serra, Roser; Molina-Mateo, Jose; Torregrosa, Constantino; Andrio, Andreu; Meseguer-Dueñas, José M.; Serrano-Aroca, Ángel MDPI (2020)Bio-nanocomposite hydrogels based on sodium alginate (SA) as polymer matrix and graphene oxide (GO) nanosheets with zinc as crosslinking agent were synthesized with the aim of incorporating the intrinsic properties of ... -
Broadband dielectric response of silk Fibroin/BaTiO3 composites: Influence of nanoparticle size and concentration
Costa, C.M.; Reizabal, Ander; Sabater i Serra, Roser; Andrio, Andreu; Pérez-Álvarez, L.; Gomez Ribelles, Jose Luis; Vilas, Jose Luis; lanceros-mendez, senentxu 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 ... -
Conductive films based on composite polymers containing ionic liquids absorbed on crosslinked polymeric ionic-like liquids (SILLPs)
Altava, Belen; Compañ, Vicente; Andrio, Andreu; Del Castillo, Luis F.; Mollá, Sergio; Burguete, M. Isabel; Garcia-Verdugo, Eduardo; Luis, Santiago V. Elsevier (2015)Polymerization of styrenic monomers containing imidazolium subunits in the presence of crosslinking monomers and using ionic liquids (ILs) as porogenic agents provides composite materials with excellent mechanical ... -
Conductivity study of Zeolitic Imidazolate Frameworks, Tetrabutylammonium hydroxide doped with Zeolitic Imidazolate Frameworks, and mixed matrix membranes of Polyetherimide/ Tetrabutylammonium hydroxide doped with Zeolitic Imidazolate Frameworks for proton conducting applications
Vega, J.; Andrio, Andreu; Lemus, A. A.; Del Castillo, Luis F.; Compañ, Vicente Elsevier (2017)ZIF-8 (Z8), ZIF-67 (Z67), and ZMix, a Zn/Co bimetallic zeolitic imidazolate framework (ZIF), were syn- thesized and doped with tetrabutylammonium hydroxide (ZIFsT). The obtained powders were used as fillers for polyetherimide ... -
Configurational entropy calculation of poly(α-alkyl β,L-aspartate)s amorphous and crystalline films using gas permeation
Del Castillo, Luis F.; Andrio, Andreu; Nava, J.A.; Mollá, Sergio; Muñoz Guerra, S.; Compañ, Vicente Elsevier (2014)The permeability and diffusion coefficient of gases such as N2, O2 and CO2 through two polymeric membranes of poly(α-alkyl β,L-aspartate)s (PAALA-n) were determined by the “time-lag” method. One of these membranes was ... -
Dielectric relaxation dynamics in poly(vinylidene fluoride)/Pb(Zr0⋅53Ti0.47) O3 composites
Costa, C. M.; Sabater i Serra, Roser; Andrio, Andreu; Gomez Ribelles, Jose Luis; lanceros-mendez, senentxu 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 ... -
Dielectric relaxation dynamics of high-temperature piezoelectric polyimide copolymers
Maceiras, A.; Costa, C. M.; Lopes, A. C.; San Sebastián, M.; Laza Terroba, José Manuel; Vilas, J. L.; Gomez Ribelles, Jose Luis; Sabater Serra, Roser; Andrio, Andreu; lanceros-mendez, senentxu; León Isidro, Luis Manuel Springer (2015-08)Polyimide copolymers have been prepared based on different diamines as comonomers: a diamine without CN groups and a novel synthesized diamine with two CN groups prepared by polycondensation reaction followed by thermal ... -
Dielectric saturation of water in a membrane protein channel
Aguilella-Arzo, Marcel; Andrio, Andreu; Aguilella, Vicente; Alcaraz, Antonio Royal Society of Chemistry (2009)Water molecules in confined geometries like nanopores and biological ion channels exhibit structural and dynamical properties very different from those found in free solution. Protein channels that open aqueous pores ... -
Diffusion and Monod kinetics model to determine in vivo human corneal oxygen-consumption rate during soft contact lens wear
Del Castillo, Luis F.; Ferreira da Silva, Ana R.; Hernández, Saúl Iván; Aguilella-Arzo, Marcel; Andrio, Andreu; Mollá, Sergio; Compañ, Vicente Elsevier (2015-01)Purpose: We present an analysis of the corneal oxygen consumption Qc from non-linear models, using data of oxygen partial pressure or tension (pO2pO2) obtained from in vivo estimation previously reported by other authors. ... -
Effect of annealing on the permeation characteristics of gases of coextruded LLDPE films
Compañ, Vicente; Andrio, Andreu; López Peris, María Lidón; Riande, Evaristo Elsevier (1996)The temperature dependence of both the permeability and diffusion coefficients of carbon dioxide, oxygen and nitrogen in annealed LLDPE films are studied. It is found that the values of the permeability coefficient through ... -
Effect of metallacarborane salt H[COSANE] doping on the performance properties of polybenzimidazole membranes for high temperature PEMFCs
Olvera-Mancilla, Jessica; Escorihuela, Jorge; Alexandrova, Larissa; Andrio, Andreu; García Bernabé, Abel; Del Castillo, Luis Felipe; Compañ, Vicente 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 ... -
Electric Conductivity Study of Porous Polyvinyl Alcohol/Graphene/Clay Aerogels: Effect of Compression
Compañ, Vicente; Andrio, Andreu; Escorihuela, Jorge; Velasco, Josua; Porras-Vazquez, Alejandro; Gamez-Perez, Jose American Chemical Society (2022-10-12)In this work, poly(vinyl alcohol) (PVOH)/graphene (GN) oxide/clay aerogels were prepared using montmorillonite (MMT) and kaolinite (KLT) as fillers. This work paves the way for the development of aerogels filled with MMT ... -
Electrical conductivity of an all-natural and biocompatible semi-interpenetrating polymer network containing a deep eutectic solvent
Gachuz Vazquez, Edwin Jhonatan; Castillo-Santillán, Martín; Juárez-Moreno, Karla; Maya-Cornejo, Jose; Martínez-Richa, Antonio; Andrio, Andreu; Compañ, Vicente; Mota-Morales, Josue Royal Society of Chemistry (2020-07-29)A series of semi-interpenetrating polymer networks (semi-IPNs) consisting of crosslinked poly(itaconic acid) in the presence of the polysaccharide inulin were prepared by free-radical polymerization, taking advantage of ... -
Enhanced Conductivity of Composite Membranes Based on Sulfonated Poly(Ether Ether Ketone) (SPEEK) with Zeolitic Imidazolate Frameworks (ZIFs)
Barjola, Arturo; Escorihuela, Jorge; Andrio, Andreu; Giménez, Enrique; Compañ, Vicente MDPI (2018)The zeolitic imidazolate frameworks (ZIFs) ZIF-8, ZIF-67, and a Zn/Co bimetallic mixture (ZMix) were synthesized and used as fillers in the preparation of composite sulfonated poly(ether ether ketone) (SPEEK) membranes. ... -
Enhanced conductivity of sodium versus lithium salts measured by impedance spectroscopy. Sodium cobaltacarboranes as electrolytes of choice
Fuentes, Isabel; Andrio, Andreu; Teixidor, Francesc; Viñas, Clara; Compañ, Vicente 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 ... -
Entropic restrictions control the electric conductance of superprotonic ionic solids
Santamaria-Holek, I.; Ledesma-Durán, Aldo; Hernández, Saúl Iván; García-Alcántara, Consuelo; Andrio, Andreu; Compañ, Vicente Royal Society of Chemistry (2020)The crystallographic structure of solid electrolytes and other materials determines the protonic conductivity in devices such as fuel cells, ionic-conductors, and supercapacitors. Experiments show that a rise of the ... -
Free ion diffusivity and charge concentration on cross-linked polymeric ionic liquid iongel films based on sulfonated zwitterionic salts and lithium ions
Valverde Barquero, David; García Bernabé, Abel; Andrio, Andreu; Garcia-Verdugo, Eduardo; Luis, Santiago V.; Compañ, Vicente Royal Society of Chemistry (2019)The properties of various mixtures of a zwitterionic ionic liquid (ZIs-1) and LiNTf2, including their conductivity, have been studied showing how they can be adjusted through their molar composition. Conductivity tends to ... -
High proton conductivity at low and moderate temperature in a simple family of Prussian blue analogs, divalent transition metal hexacyanocobaltates (III)
Vega, J.; Lemus, A. A.; Reguera, E; Andrio, Andreu; Compañ, Vicente Elsevier (2020-11-10)Proton conductivity behavior was studied in a family of hexacyanocobaltates with divalent transition metals (II), HCCMs. The HCCMs, with molecular formula M3[Co(CN)6]2∙xH2O (where M = Ni, Co, Fe, Mn and Cd), had cubic ...