Buscar en RiuNet

Listar

Todo RiuNet

Mi cuenta

Acceder

Ayuda RiuNet

Admin. UPV

Listar por palabra clave "Graphene oxide"

Mostrando ítems 1-20 de 39

Página siguiente

A spectroscopic study to assess the photogeneration of singlet oxygen by graphene oxide

Felip-León, Carles; Puche Panadero, Marta; Miravet, Juan F.; Galindo, F.; Feliz Rodriguez, Marta (Elsevier, 2019-09-15)

[EN] The photogeneration of singlet oxygen (O-1(2) ) during short irradiation times of graphene oxide (GO) is assessed under visible light with soft irradiation conditions either directly monitoring the phosphorescence ...
AgBTC MOF-Mediated Approach to Synthesize Silver Nanoparticles Decorated on Reduced Graphene Oxide (rGO@Ag) for Energy Storage Applications

Barjola, Arturo; Rapeyko, Anastasia; Sahuquillo, Oscar; Llabrés i Xamena, Francesc Xavier; Giménez Torres, Enrique (American Chemical Society, 2023-03-22)

[EN] Nanowires of silver-based metal-organic framework (MOF) (AgBTC, BTC = 1,3,5-benzenetricarboxylate) were grown onto graphene oxide layers to generate GO-AgBTC nano composites. Thermal treatment of these composites in ...
Bio-Nanocomposite Hydrogel Based on Zinc Alginate/Graphene Oxide: Morphology, Structural Conformation, Thermal Behavior/Degradation, and Dielectric Properties

Sabater i Serra, Roser; Molina Mateo, José; Torregrosa Cabanilles, Constantino; Andrio-Balado, Andreu; Meseguer Dueñas, José María; Serrano-Aroca, Ángel (MDPI AG, 2020-03)

[EN] 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 ...
Catalytic transformation of the marine polysaccharide ulvan into rare sugars, tartaric and succinic acids

Podolean, Iunia; Coman, Simona M.; Bucur, Cristina; Teodorescu, Christian; Kikionis, Stefanos; Ioannou, Efstathia; Roussis, Vassilios; Primo Arnau, Ana Maria; García Gómez, Hermenegildo; Parvulescu, Vasile I. (Elsevier, 2022-01-01)

[EN] The green macroalga Ulva rigida represents a promising feedstock for biorefinary due to its fast growth and cosmopolitan distribution. The main component of the cell walls of U. rigida is a sulfated glucuronorhamnan ...
Chemical and electrochemical study of fabrics coated with reduced graphene oxide

Molina Puerto, Javier; Fernández Sáez, Javier; Del Río García, Ana Isabel; Bonastre Cano, José Antonio; Cases Iborra, Francisco Javier (Elsevier, 2013-08-15)

Polyester fabrics coated with reduced graphene oxide (RGO) have been obtained and later characterized by means of chemical and electrochemical techniques. X-ray photoelectron spectroscopy showed a decrease of the oxygen ...
Conducting fabrics of polyester coated with polypyrrole and doped with graphene oxide

Molina Puerto, Javier; Zille, A.; Fernández Sáez, Javier; Souto, A. P.; Bonastre Cano, José Antonio; Cases Iborra, Francisco Javier (Elsevier, 2015-06)

Polyester (PES) has been coated with polypyrrole (PPy) to produce conducting fabrics. Graphene oxide (GO) has been used in different concentrations (10, 20 and 30% weight) as counter ion to neutralize the positive charges ...
Effect of synthesis conditions on CO2 capture of ethylenediamine-modified graphene aerogels

Pruna, Alina Iuliana; Cárcel, Alfonso Cristóbal; Benedito-Borrás, Adolfo; Giménez Torres, Enrique (Elsevier, 2019)

[EN] Ethylenediamine-modified graphene oxide-based three-dimensional aerogels were fabricated by one-step hydrothermal technique. The influence of oxidation conditions and starting graphite material was studied by elemental ...
Effect of Varying Amine Functionalities on CO(2)Capture of Carboxylated Graphene Oxide-Based Cryogels

Pruna, Alina Iuliana; Barjola, Arturo; Cárcel, Alfonso Cristóbal; Alonso, Beatriz; Giménez Torres, Enrique (MDPI AG, 2020-08)

[EN] Graphene cryogels synthesis is reported by amine modification of carboxylated graphene oxide via aqueous carbodiimide chemistry. The effect of the amine type on the formation of the cryogels and their properties is ...
Electrochemical characterization of reduced graphene oxide-coated polyester fabrics

Molina Puerto, Javier; Fernández Sáez, Javier; Inés Vilches, Juan Carlos; Del Río García, Ana Isabel; Bonastre Cano, José Antonio; Cases Iborra, Francisco Javier (Elsevier, 2013-03-30)

Reduced graphene oxide (RGO) coated fabrics were obtained by chemical reduction of GO on polyester (PES) fabrics. Conducting fabrics that have different applications were obtained by applying several layers of RGO. ...
Electrochemical synthesis of polypyrrole doped with graphene oxide and its electrochemical characterization as membrane material

Molina Puerto, Javier; Bonastre Cano, José Antonio; Fernández Sáez, Javier; Del Río García, Ana Isabel; Cases Iborra, Francisco Javier (Elsevier, 2016-07-12)

Polypyrrole (PPy) doped with graphene oxide (GO) has been electrochemically obtained by potentiostatic synthesis and its electrochemical behavior as membrane material has been studied for the first time. Fourier transform ...
Eliminación de antiinflamatorios no esteroideos mediante oxidación electroquímica con ánodos basados en sustratos textiles

Bigagli Navarro, Dario (Universitat Politècnica de València, 2022-09-13)

[ES] En este proyecto se han realizado experiencias de laboratorio para preparar, caracterizar y aplicar electrodos basados en sustratos textiles en las electrolisis diseñadas para la eliminación de un antiinflamatorio ...
Enhanced CO2 Capture of Poly(amidoamine)-Modified Graphene Oxide Aerogels with the Addition of Carbon Nanotubes

Pruna, Alina Iuliana; Cárcel, Alfonso Cristóbal; Benedito, Adolfo; Giménez Torres, Enrique (MDPI AG, 2023-02)

[EN] Innovative dendrimer-modified graphene oxide (GO) aerogels are reported by employing generation 3.0 poly(amidoamine) (PAMAM) dendrimer and a combined synthesis approach based on the hydrothermal method and freeze-casting ...
Enhanced Photocatalytic Activity and Stability in Hydrogen Evolution of Mo(6)Iodide Clusters Supported on Graphene Oxide

Puche Panadero, Marta; García-Aboal, Rocío; Mikhaylov, Maxim A.; Sokolov, Maxim N.; Atienzar Corvillo, Pedro Enrique; Feliz Rodriguez, Marta (MDPI AG, 2020-07)

[EN] Catalytic properties of the cluster compound (TBA)2[Mo6Ii8(O2CCH3)a6] (TBA = tetrabutylammonium) and a new hybrid material (TBA)2Mo6Ii8@GO (GO = graphene oxide) in water photoreduction into molecular hydrogen were ...
Enhancement of the Electrochemical Properties of an Open-Pore Graphite Foam with Electrochemically Reduced Graphene Oxide and Alternating Current Dispersed Platinum Particles

Fernández Sáez, Javier; Bonastre Cano, José Antonio; Molina, José Miguel; Cases, Francisco (MDPI AG, 2020-06)

[EN] This paper aimed to improve the electrochemical activity of a pitch-derived open-pore graphite foam (GF) by an electrochemical coating of reduced graphene oxide (RGO) and platinum particles without significantly ...
Estudio de la degradación de soportes porosos de policaprolactona con óxido de grafeno y modelización del proceso

Espinosa Torregrosa, Sergio (Universitat Politècnica de València, 2023-09-12)

[ES] Actualmente, la ingeniería tisular es una disciplina con un importante crecimiento en el campo de la medicina regenerativa por sus novedosas técnicas que expanden un nuevo abanico de posibilidades. Aunque el uso de ...
Estudio del óxido de grafeno como refuerzo mecánico y agente nucleante en andamiajes de policaprolactona, fabricados por el método Freeze Extraction, con futura aplicación en injertos de hueso

Vidal Millán, Cristian (Universitat Politècnica de València, 2019-09-02)

[ES] En el presente TFG, se pretende fabricar y caracterizar un scaffold reforzado, que exhiba propiedades adecuadas para ser un injerto de hueso: como base, se parte del polímero policaprolactona (PCL), mientras que el ...
Functionalised Poly(Vinyl Alcohol)/Graphene Oxide as Polymer Composite Electrolyte Membranes

Gil Castell, Óscar; Cerveró, R.; TERUEL JUANES, ROBERTO; Badia, J. D.; Ribes Greus, María Desamparados (Scrivener Publishing, 2019)

[EN] Crosslinked poly(vinyl alcohol) (PVA) based composite films were prepared as polyelectrolyte membranes for low temperature direct ethanol fuel cells (DEFC). The membranes were functionalised by means of the addition ...
Generación fotocatalítica de hidrógeno a partir de mezclas agua/metanol usando como sensibilizador grafenos halogenados

García Baldoví, Hermenegildo (Universitat Politècnica de València, 2014-05-12)

[ES] Se trata de utilizar un Grafeno reconstituido a partir de Oxido de Grafeno mediante la introduccion de halogenos por enlace covalente y asi modular su banda de conduccion y utilizarlo para generar Hidrogeno ...
Graphene Oxide as Catalyst for the Acetalization of Aldehydes at Room Temperature

Amarajothi, Dhakshina Moorthy; Alvaro Rodríguez, Maria Mercedes; Puche, Marta; Fornes Seguí, Vicente; García Gómez, Hermenegildo (WILEY-VCH Verlag GmbH & Co. KGaA,, 2012)

[EN] Graphene oxide obtained through the standard Hummers oxidation of graphite and subsequent exfoliation promotes acetalization of aldehydes in methanol. It is a highly efficient reusable heterogeneous catalyst because ...
Graphene Oxide-Polypyrrole Coating for Functional Ceramics

Rosas-Laverde, Nelly Maria; Pruna, Alina Iuliana; Busquets Mataix, David Jeronimo (MDPI AG, 2020-06)

[EN] Ceramic substrates were metallized with a Ni-Mo-P electroless coating and further modified with a polypyrrole (PPy) coating by the electrodeposition method. The properties of the polypyrrole coating were studied with ...