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Listar por autor "Huerta Arráez, Francisco José"

Mostrando ítems 1-13 de 13

Carbon Material and Cobalt-Substitution Effects in the Electrochemical Behavior of LaMnO3 for ORR and OER

Flores-Lasluisa, Jhony X.; Huerta, Francisco; Cazorla-Amorós, Diego; Morallon, Emilia (MDPI AG, 2020-12)

[EN] LaMn1-xCoxO3 perovskites were synthesized by a modified sol-gel method which incorporates EDTA. These materials' electrochemical activity towards both oxygen reduction (ORR) and oxygen evolution reactions (OER) was ...
Determination of exciton diffusion coefficient in cojnjugated polymer films: Novel methods based on spectroelectrochemical techniques

Montilla, Francisco; Quintero-Jaime, Andres F.; Huerta, Francisco; Quijada, César (Elsevier, 2021-08-10)

[EN] The understanding of exciton dynamics is a central issue in the operation of conjugated polymer-based optoelectronic devices, like solar cells, light-emitting diodes or electrochemiluminescent cells. In this work, we ...
Dynamics and coherence of photoexcited states in polyfluorene films with ordered chain phases

Quintero-Jaime, Andrés Felipe; Hafed-Khatiri, Salma; Huerta, Francisco; Quijada, César; Montilla, Francisco (The Royal Society of Chemistry, 2022-08-18)

[EN] Understanding the optical and electronic excitations in conjugated polymers, their delocalization, and dynamics is of paramount importance for improving the performance of optoelectronic devices. The structure of a ...
Electrochemical synthesis of fluorinated polyanilines

Saidani, N.; Morallón, Emilia; Huerta, Francisco; Besbes-Hentati, Salma; Montilla-Jiménez, Francisco (Elsevier, 2020-07-10)

[EN] A set of fluoro-functionalized polyaniline conducting polymers was synthesized by cyclic scanning of the potential from acidic solutions containing aniline and 2-fluoroaniline monomers. The monomer feed ratio was ...
Estudio para la descarbonización del sistema eléctrico de potencia de la isla de El Hierro mediante el uso de hidrógeno como vector energético

Sanz Ródenas, Vicente (Universitat Politècnica de València, 2021-07-23)

[ES] El presente trabajo final de carrera se centra en el análisis del sistema eléctrico de potencia de la Isla de El Hierro y en el estudio de las tecnologías maduras de los sistemas estacionarios de pilas de combustible, ...
LaNi1-xCoxO3 perovskites for application in electrochemical reactions involving molecular oxygen

Flores-Lasluisa, J.X.; Huerta, Francisco; Cazorla-Amorós, Diego; Morallón, Emilia (Elsevier, 2023-06-15)

[EN] LaNi1-xCoxO3 perovskite materials were synthesized by a sol-gel method for use in electrochemical reactions which involve molecular oxygen. The metal oxides were characterized by different physicochemical techniques ...
Manganese oxides/LaMnO3 perovskite materials and their application in the oxygen reduction reaction

Flores-Lasluisa, Jhony X.; Huerta, Francisco; Cazorla-Amorós, D.; Morallón, E. (Elsevier, 2022-05-15)

[EN] Manganese-based materials can catalyze the oxygen reduction reaction (ORR), although their activity is known to depend on the crystalline phases and on the concentration of surface-active species. In the present study, ...
Promotion of Direct Electron Transfer to Cytochrome c by Functionalized Thiophene-based Conducting Polymers

Sáenz-Espinar, María J.; Gamero-Quijano, A; Montilla-Jiménez, Francisco; Huerta, Francisco; Quintero Jaime, Andrés F. (John Wiley & Sons, 2024-01-15)

[EN] Redox protein: Electron transfer to cyt c in solution is enhanced in EDOT-based conducting polymer electrodes containing hydroxyl moieties.image
Revisiting the redox transitions of Polyaniline. Semiquantitative interpretation of electrochemically induced IR bands

Huerta, Francisco; Quijada, César; Montilla, F.; Morallón, E. (Elsevier, 2021-09-15)

[EN] The redox transitions of PANI in acidic medium have been monitored by a combination of cyclic voltammetry, in situ conductance and in situ FTIR spectroscopy. The results of the semiquantitative analysis strongly suggest ...
Spectroelectrochemical study on the copolymerization of o-aminophenol and aminoterephthalic acid

Abidi, Maali; López-Bernabeu, Sara; Huerta, Francisco; Montilla, Francisco; Besbes-Hentati, Salma; Morallón, Emilia (Elsevier, 2017-06)

[EN] The electrochemical copolymerization of aminoterephthalic acid (ATA) and o-aminophenol (OAP) was carried out on platinum electrodes in acidic medium. The obtained material, poly (ATA-co-OAP), can be deposited by cyclic ...
Structural and morphological alterations induced by cobalt substitution in LaMnO3 perovskites

Flores-Lasluisa, Jhony X.; Huerta, Francisco; Cazorla-Amoros, Diego; Morallón, Emilia (Elsevier, 2019-11-15)

[EN] The chemical composition of a LaMnO3 perovskite was modified sequentially by an improved sol-gel method to include cobalt centers in some B sites formerly occupied by Mn. In this way, a representative set of materials ...
Synthesis of Phosphorus-Containing Polyanilines by Electrochemical Copolymerization

Martínez-Sánchez, Beatriz; Quintero-Jaime, Andrés Felipe; Huerta, Francisco; Cazorla-Amorós, Diego; Morallón, Emilia (MDPI AG, 2020-05)

[EN] In this study, the phosphonation of a polyaniline (PANI) backbone was achieved in an acid medium by electrochemical methods using aminophenylphosphonic (APPA) monomers. This was done through the electrochemical ...
Transition metal oxides with perovskite and spinel structures for electrochemical energy production applications

Flores-Lasluisa, J. X.; Huerta, Francisco; Cazorla-Amoros, D.; Morallón, E. (Elsevier, 2022-11)

[EN] Transition metal oxide-based materials are an interesting alternative to substitute noble-metal based catalyst in energy conversion devices designed for oxygen reduction (ORR), oxygen evolution (OER) and hydrogen ...