Listar QUIO_Articles por autoría "20e8d1a4-1567-4e65-8bc2-2ac4b6a49045"
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A simple, safe and robust system for hydrogenation "without high-pressure gases" under batch and flow conditions using a liquid organic hydrogen carrier
Porcar Garcia, Raul; Mollar Cuni, Andrés; Ventura Espinosa, David; Luis, Santiago V.; Garcia-Verdugo, Eduardo; Mata Martínez, Jose A Royal Society of Chemistry (2022)A simple, safe and robust system for the continuous, in situ and on demand generation of hydrogen under mild conditions is reported. A device formed by a packed bed reactor containing a ruthenium N-heterocyclic carbene ... -
Catalytic Dehydrogenative Coupling of Hydrosilanes with Alcohols for the Production of Hydrogen On-demand: Application of a Silane/Alcohol Pair as a Liquid Organic Hydrogen Carrier
Ventura Espinosa, David; Carretero Cerdán, Alba; Baya, Miguel; García, Hermenegildo; Mata Martínez, Jose A Wiley (2017)The compound [Ru(p-cym)(Cl)2(NHC)] is an effective catalyst for the room-temperature coupling of silanes and alcohols with the concomitant formation of molecular hydrogen. High catalyst activity is observed for a variety ... -
Catalytic Hydrogen Production by Ruthenium Complexes from the Conversion of Primary Amines to Nitriles: Potential Application as a Liquid Organic Hydrogen Carrier
Ventura Espinosa, David; Marzá Beltrán, Aida; Mata Martínez, Jose A Wiley (2016)The potential application of the primary amine/nitrile pair as a liquid organic hydrogen carrier (LOHC) has been evaluated. Ruthenium complexes of formula [(p-cym)Ru(NHC)Cl2] (NHC=N-heterocyclic carbene) catalyze the ... -
Copper-mediated reduction of azides under seemingly oxidising conditions: catalytic and computational studies
Zelenay, Benjamin; Besora, Maria; Monasterio, Zaira; Ventura Espinosa, David; White, Andrew J. P.; Maseras, Feliu; Díez-González, Silvia Royal Society of Chemistry (2018)The reduction of aryl azides in the absence of an obvious reducing agent is reported. Careful catalyst design led to the production of anilines in the presence of water and air. The reaction medium (toluene/water) is crucial ... -
Enhancement of gold catalytic activity and stability by immobilization on the surface of graphene
Ventura Espinosa, David; Sabater López, Sara; Mata Martínez, Jose A Elsevier (2017-08)The catalytic performance of gold complexes is evaluated at the molecular level and when supported onto reduced graphene oxide (rGO). Gold complexes of general formula [(NHC)AuX] catalyse the synthesis of indoles via ... -
In situ decoration of graphene sheets with gold nanoparticles synthetized by pulsed laser ablation in liquids
Torres-Mendieta, Rafael; Ventura Espinosa, David; Sabater López, Sara; Lancis, Jesús; Mínguez-Vega, Gladys; Mata Martínez, Jose A (2016-07)The demand for nanocomposites of graphene and carbonaceous materials decorated with metallic nanoparticles is increasing on account of their applications in science and technology. Traditionally, the production of ... -
Influence of nanoparticle morphology and its dispersion ability regarding thermal properties of water used as phase change material
Barreneche, Camila; Mondragon, Rosa; Ventura Espinosa, David; Mata Martínez, Jose A; CABEZA, LUISA F.; Fernández, A. Inés; Juliá Bolívar, José Enrique (2018-01-05)Nanoparticles with different morphologies were added to water to study if the morphology of the nanoparticles affects the main parameters of water used as phase change material (PCM). Considered morphologies were spherical, ... -
Multimetallic (de)hydrogenation catalysed processes
Ventura Espinosa, David; Mata Martínez, Jose A WILEY-VCH (2016)The use of different metals working together in a synergistic way, allows synthetic transformations that are not achievable by other means. The metal cooperation becomes important in catalytic processes for the synthesis ... -
Ruthenium molecular complexes immobilized on graphene as active catalysts for the synthesis of carboxylic acids from alcohol dehydrogenation
Ventura Espinosa, David; Vicent Barrera, Cristian; Baya, Miguel; Mata Martínez, Jose A Royal Society of Chemistry (2016-09)Ruthenium complexes containing N-heterocyclic carbene ligands functionalized with different polyaromatic groups (pentafluorophenyl, anthracene, and pyrene) are immobilized onto the surface of reduced graphene oxide. The ...