[EN] Covalent organic frameworks, COFs, and their derived sub-groups based on auto-assembly of exclusivelyaromatic units, PAFs, are emerging into the advanced materials field due to their high free porous volume,structural ...
Erigoni, Andrea(Universitat Politècnica de València, 2021-04-07)
[ES] El trabajo de investigación descrito en la presente Tesis Doctoral ha sido desarrollado en el marco del proyecto europeo MULTI2HYCAT (grant agreement N. 720783) y se ha centrado en la síntesis y caracterización de ...
Vidal Castro, Juan Diego(Universitat Politècnica de València, 2013-06-24)
[ES] Sintesis de catalizadores con propiedades de líquido iónico y con bifuncionalidad acido-base. Siendo muy activos y selectivos para llevar a cabo la condensación de Knoevenagel, así como la adición de Michael, empleadolos ...
Cerezo-Navarrete, Christian; Lara, Patricia; Martínez-Prieto, Luis Miguel(MDPI AG, 2020-10)
[EN] Over the last 20 years, the use of metallic nanoparticles (MNPs) in catalysis has awakened a great interest in the scientific community, mainly due to the many advantages of this kind of nanostructures in catalytic ...
Esteve-Adell, Iván; Bakker, Nadia; Primo Arnau, Ana María; Hensen, Emiel; García Gómez, Hermenegildo(American Chemical Society, 2016-12-14)
Pt nanoparticles (NPs) strongly grafted on few layers graphene (G) have been prepared by pyrolysis under inert atmosphere at 900 degrees C of chitosan films (70-120 rim thickness) containing adsorbed H2PtCl6. Preferential ...
[EN] The robustness of one selected Ni-W-O catalyst has been studied in the oxidative dehydrogenation of ethane. This catalyst initially deactivates for the first 10 h online decreasing 15% of its catalytic activity compared ...
Sans, Victor; Karbass, Naima; Burguete, M. Isabel; Compañ Moreno, Vicente; García-Verdugo, Eduardo; Luis, Santiago V.; Pawlak, Milena(Wiley-VCH Verlag, 2011)
Abstract: The physico-chemical properties
of polymers with ionic-liquid-like
moieties covalently bound to their surfaces
(SILLPs) have been studied by
thermal and spectroscopic techniques,
as well as by direct impedance ...
[EN] Hybrid organic-inorganic catalysts have been extensively investigated by several research groups in the last decades, as they allow combining the structural robust-ness of inorganic solids with the versatility of ...
Toldrá-Reig, Fidel; Serra Alfaro, José Manuel(MDPI AG, 2021-10)
[EN] This work presents a solid-state ionic-based device to selectively detect C2H4 in car exhaust gases. The sensor consists of 8YSZ as the electrolyte and two electrodes: Fe0.7Cr1.3O3/8YSZ and LSM/8YSZ. The main aim of ...
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, ...
[EN]
The industrially-viable aerobic alpha-alkylation of cyclic and acyclic ketones with allyl and alkyl alkenes in the presence of catalytic amounts of Mn2+, under homo- and heterogeneous conditions, is achieved here. ...
[EN] The present report describes the structural and physical-chemical variations of the potassium manganese oxide mineral, alpha-MnO2, which is a specific manganese octahedral molecular sieve (OMS) named cryptomelane ...
[EN] A fraction of structural Mn cations have been replaced by different cationic dopants (i.e. earth abundant cationic dopants and heavier, Ru3+) in the cryptomelane oxide K-OMS2. Then, a comparative study has been addressed ...
Ballesteros Soberanas, Jordi(Universitat Politècnica de València, 2023-07-03)
[ES] En esta Tesis se ha estudiado en profundidad la reacción de semi-hidrogenación de alquinos catalizada por materiales de paladio. Más especificamente, esta Tesis empieza estudiando un sistema simple para la semi-hidrogenación ...
[EN] Relativistic effects in the valence shell of the elements reach a
maximum in the triad Pt¿Au¿Hg and determine their catalytic activity
in organic reactions. In this Review we examine the catalytic activity of
Pt, ...
García Muñoz, Begoña(Universitat Politècnica de València, 2020-10-15)
[ES] La demanda energética actual, impulsada por una sociedad cada vez más concienciada con el
medio ambiente, trata de buscar alternativas más económicas y sostenibles a los combustibles
fósiles. Una de las alternativas ...
Seva Rejón, Maria Dolores(Universitat Politècnica de València, 2022-11-04)
[ES] Recientemente, ha surgido una nueva familia de materiales 2D, conocidos como MXenos, que están basados en carburos laminares de metales de transición. Debido a sus excepcionales propiedades en términos de multifuncionalidad, ...
Sala Gascón, Andrés(Universitat Politècnica de València, 2022-10-03)
[ES] Las zeolitas han destacado por sus aplicaciones en procesos catalíticos y de adsorción/separación de gases de alto impacto industrial. Esto es debido a que presentan propiedades de tamiz molecular como consecuencia ...
[EN] The esterification reaction of long-chain acids and alcohols is carried out in both academia and industry with soluble strong acids such as phosphoric or methanesulfonic acid, since the lower diffusion and higher ...
[EN] Imines are ubiquitous intermediates in organic synthesis, and the metal-mediated imination of alcohols is one of the most direct and simple methods for their synthesis. However, reported protocols lack compatibility ...