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Listar por palabra clave "Metal nanoparticles"

Mostrando ítems 1-13 de 13

Aplicación catalítica de nuevos nanosistemas obtenidos a partir de la aproximación organometálica

Cerezo Navarrete, Christian (Universitat Politècnica de València, 2023-09-06)

[ES] La presente tesis doctoral se desarrolla en el ámbito de la catálisis, la cual está enmarcada dentro del concepto de Química Sostenible. En concreto, la investigación se ha centrado en el desarrollo y aplicación de ...
CARACTERIZACIÓN DE ELECTRODOS DE NÍQUEL DOPADOS CON NANOPARTÍCULAS DE ORO PARA LA OBTENCIÓN DE HIDRÓGENO

Torondel Díaz, Aaron Damián (Universitat Politècnica de València, 2021-10-06)

[ES] Hoy en día aún existen ciertos problemas para lograr la generación de hidrógeno que provenga de energías renovables, conocido como Hidrógeno Verde. Actualmente se busca mejorar los métodos de producción de hidrógeno ...
Chemical instability of Cu(3)(BTC)(2) by reaction with thiols

Dhakshinamoorthy, Amarajothi; Alvaro Rodríguez, Maria Mercedes; Concepción Heydorn, Patricia; García Gómez, Hermenegildo (Elsevier, 2011-06-10)

In contrast to Fe(BTC) (BTC: 1,3,5-benzenetricarboxylate), the crystal structure of Cu3(BTC)2, a commercial metal organic framework widely used as solid catalyst, collapses when contacted with thiols under mild reaction ...
Comparison between hydrophilic and hydrophobic metal nanoparticles on the phase separation phenomena during formation of asymmetric polyethersulphone membranes

García Ivars, Jorge; Iborra Clar, María Isabel; Alcaina Miranda, María Isabel; Van der Bruggen, Bart (Elsevier, 2015-11-01)

Inorganic nanoparticles have been applied as additive in membrane synthesis for improving different properties from the base polymer such as hydrophilicity, fouling resistance or permselectivity. To investigate the changes ...
Controllable synthesis of metal nanoparticles for catalytic applications

Liu, Lichen (Universitat Politècnica de València, 2015-02-24)

[EN] In this thesis, I have discussed the synthesis of Cu nanoparticles and their applications in C-N coupling reactions. I find that Cu nanoparticles will decompose into Cu clusters and Cu clusters are the real active ...
Copper Nanoparticles Supported on Doped Graphenes as Catalyst for the Dehydrogenative Coupling of Silanes and Alcohols

Blandez Barradas, Juan Francisco; Primo Arnau, Ana María; Asiri, Abdullah; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (Wiley-VCH Verlag, 2014-11-10)

[EN] Copper nanoparticles (NPs) supported on a series of undoped and doped graphene materials (Gs) have been obtained by pyrolysis of alginate or chitosan biopolymers, modified or not with boric acid, containing Cu2+ ...
Development of metal nanoparticles supported materials as efficient catalysts for reductive amination reactions using high-throughput experimentation

Domine, Marcelo Eduardo; Hernández Soto, María Consuelo; Perez, Yolanda (Elsevier, 2011-01-10)

[EN] Substituted amines and N-heterocycles, useful intermediates in industry, can be synthesized by reductive amination of ketones with amines in the presence of metal supported catalysts. In this work, multi-functional ...
Encapsulation of Metal Nanoparticles within Metal¿Organic Frameworks for the Reduction of Nitro Compounds

Navalón Oltra, Sergio; Alvaro Rodríguez, Maria Mercedes; Dhakshinamoorthy, Amarajothi; García Gómez, Hermenegildo (MDPI AG, 2019-09-01)

[EN] Nitro group reduction is a reaction of a considerable importance for the preparation of bulk chemicals and in organic synthesis. There are reports in the literature showing that incorporation of metal nanoparticles ...
Finite Element Models of Gold Nanoparticles and Their Suspensions for Photothermal Effect Calculation

Terrés-Haro, José Manuel; Monreal-Trigo, Javier; Hernández-Montoto, Andy; Ibáñez Civera, Francisco Javier; Masot Peris, Rafael; Martínez-Máñez, Ramón (MDPI AG, 2023-02-09)

[EN] (1) Background: The ability of metal nanoparticles to carry other molecules and their electromagnetic interactions can be used for localized drug release or to heat malignant tissue, as in the case of photothermal ...
Highly selective palladium supported catalyst for hydrogenation of phenol in aqueous phase

Pérez Cortés, Yolanda; Fajardo, Mariano; Corma Canós, Avelino (Elsevier, 2011-07-01)

Hydrogenation of phenol to cyclohexanone in aqueous phase, under mild conditions, has been carried out using palladium on different supports such as hydroxyapatite (HA), carbon (C), alumina (γ-Al2O3) and Al2O3-CWE synthesized ...
Influence of co-catalysts on the photocatalytic activity of MIL-125(Ti)-NH2 in the overall water splitting

Remiro-Buenamañana, Sonia; Cabrero-Antonino, Maria; Martínez-Guanter, Marcos; Alvaro Rodríguez, Maria Mercedes; Navalón Oltra, Sergio; García Gómez, Hermenegildo (Elsevier, 2019-10-05)

[EN] Titanium containing aminoterephthalate metal organic framework promotes the photocatalytic overall water splitting into H-2 and O-2 at a rate that depends on the presence of Pt, RuOx and CoOx co-catalyst. The best ...
Préparation de matériaux à base de graphène et leur application en catalyse

Anouar, Aicha (Universitat Politècnica de València, 2021-03-22)

[ES] Para abordar los desafíos ambientales, la química y los procesos químicos deben ser más sostenibles. Para ello, el desarrollo de nuevos catalizadores especialmente activos es de suma importancia. En catálisis heterogénea, ...
Sistema de posicionamiento de muestras y visión infrarroja para hipertermia óptica

Herrera Laverde, Luis Johany (Universitat Politècnica de València, 2020-10-26)

[ES] A lo largo de este trabajo se muestra el marco teórico de la resonancia de plasmones de superficie (o ablación fototérmica) como aplicación directa para realizar pruebas de aumento de temperatura por medio de un ...