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Listar por autor "Vidal Moya, José Alejandro"

Mostrando ítems 1-20 de 35

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A Multi-Nuclear MAS-NMR Study on the Structural Properties of Silicalite-1 Zeolite Synthesized Using N- and P-Based Organic Structure Directing Agents

Martinez-Ortigosa, Joaquin; Simancas, Jorge; Vidal Moya, José Alejandro; Rey Garcia, Fernando; Valencia Valencia, Susana; Blasco Lanzuela, Teresa (MDPI AG, 2021-08)

[EN] The nature of organic structure directing agents (OSDAs) is of paramount importance in the final properties of zeolites, particularly the framework and porosity. Recently, the use of P-containing OSDAs has been employed ...
Al2O3-Supported W-V-O bronzes catalysts for oxidative dehydrogenation of ethane

Benomar, S.; Chieregato, A.; Masso, A.; Soriano Rodríguez, Mª Dolores; Vidal Moya, José Alejandro; Blasco Lanzuela, Teresa; Issaadi, R.; López Nieto, José Manuel (The Royal Society of Chemistry, 2020-12-07)

[EN] Supported vanadium-containing hexagonal tungsten bronzes (HTBs) were prepared for the first time using a combination of a new soft synthetic procedure and fine-tuned heat treatments. The characterization of heat-treated ...
Batch Stille Coupling with Insoluble and Recyclable Stannylated Polynorbornenes

Martínez-Arranz, Sheila; Carrera, Nora; Albéniz, Ana C.; Espinet, Pablo; Vidal Moya, José Alejandro (Wiley-VCH Verlag, 2012-12)

[EN] The Stille coupling can be carried out in a batch process using insoluble tin supports. The new type of support consists of stannylated polymers based on the vinylic polynorbornene skeleton that allow one to use a ...
Bimetallic nanosized solids with acid and redox properties for catalytic activation of C-C and C-H bonds

Cabrero Antonino, Jose Ramón; Tejeda-Serrano, Maria; Quesada Vilar, Manuel; Vidal Moya, José Alejandro; Leyva Perez, Antonio; Corma Canós, Avelino (Royal Society of Chemistry, 2017)

A new approach is presented to form self-supported bimetallic nanosized solids with acid and redox catalytic properties. They are water-, air- and H-2-stable, and are able to activate demanding C-C and C-H reactions. A ...
Carbonylation of Methanol on Metal Acid Zeolites: Evidence for a Mechanism Involving a Multisite Active Center

Blasco Lanzuela, Teresa; Boronat Zaragoza, Mercedes; Concepción Heydorn, Patricia; Corma Canós, Avelino; Law, David; Vidal Moya, José Alejandro (John Wiley & Sons, 2007)
Characterization and NH3-SCR reactivity of Cu-Fe-ZSM-5 catalysts prepared by solid state ion exchange: The metal exchange order effect

Jouini, Houda; Mejri, Imène; Petitto, Carolina; Martinez-Ortigosa, Joaquin; Vidal Moya, José Alejandro; Mhamdi, Mourad; Blasco Lanzuela, Teresa; Delahay, Gerard (Elsevier, 2018-04)

[EN] The selective catalytic reduction (SCR) of NO with NH3 in the presence of O-2 and H2O over a series of Fe and/or Cu-containing ZSM-5 catalysts prepared by solid state ion exchange (SSIE) was investigated. A wide number ...
Chemical and Structural Parameter Connecting Cavity Architecture, Confined Hydrocarbon Pool Species, and MTO Product Selectivity in Small-Pore Cage-Based Zeolites

Ferri-Vicedo, Pau; Li, Chengeng; Paris, Cecilia; Vidal Moya, José Alejandro; Moliner Marin, Manuel; Boronat Zaragoza, Mercedes; Corma Canós, Avelino (American Chemical Society, 2019-12-06)

[EN] The catalysts used in the methanol-to-olefins (MTO) reaction are considered dual systems comprising an inorganic zeolite framework and organic compounds hosted inside that act as cocatalysts. The influence of zeolite ...
Crystalline phase transition in as-synthesized pure silica zeolite RTH containing tetra-alkyl phosphonium as organic structure directing agent

Martinez-Ortigosa, Joaquin; Millán, Reisel; Simancas, Jorge; Hernández-Rodríguez, Manuel; Vidal Moya, José Alejandro; Jorda Moret, Jose Luis; Martineau-Corcos, Charlotte; Sarou-Kanian, Vincent; Boronat Zaragoza, Mercedes; Blasco Lanzuela, Teresa; Rey Garcia, Fernando (The Royal Society of Chemistry, 2024-01-03)

[EN] The choice of structure directing agents (SDAs) in zeolite synthesis significantly impacts the arrangement of active sites, thereby influencing the stabilization of reaction intermediates with profound implications ...
Engineered Contrast Agents in a Single Structure for T1-T2 Dual Magnetic Resonance Imaging

Cabrera-García, Alejandro; Checa-Chavarria, Elisa; Pacheco-Torres, Jesús; Bernabeu-Sanz, Angela; Vidal Moya, José Alejandro; Rivero-Buceta, Eva María; Sastre Navarro, German Ignacio; Fernandez Jover, Eduardo; Botella Asuncion, Pablo (The Royal Society of Chemistry, 2018-04-14)

[EN] The development of contrast agents (CAs) for Magnetic Resonance Imaging (MRI) with T-1-T-2 dual-mode relaxivity requires the accurate assembly of T-1 and T-2 magnetic centers in a single structure. In this context, ...
Few layer 2D pnictogens catalyze the alkylation of soft nucleophiles with esters

Lloret, Vicent; Rivero-Crespo, Miguel Ángel; Vidal Moya, José Alejandro; Wild, Stefan; Domenech Carbo, Antonio; Heller, Bettina S. J.; Shin, Sunghwan; Steinrueck, Hans-Peter; Maier, Florian; Hauke, Frank; Varela, Maria; Hirsch, Andreas; Leyva Perez, Antonio; Abellán Sáez, Gonzalo (Nature Publishing Group, 2019-01-31)

[EN] Group 15 elements in zero oxidation state (P, As, Sb and Bi), also called pnictogens, are rarely used in catalysis due to the difficulties associated in preparing well-structured and stable materials. Here, we report ...
Gd-Si Oxide Nanoparticles as Contrast Agents in Magnetic Resonance Imaging

Cabrera-García, Alejandro; Vidal Moya, José Alejandro; Bernabéu, Ángela; Pacheco Torres, Jesús; Checa Chavarría, Elisa; Fernández, Eduardo; Botella Asuncion, Pablo (MDPI, 2016-06)

[EN] We describe the synthesis, characterization and application as contrast agents in magnetic resonance imaging of a novel type of magnetic nanoparticle based on Gd-Si oxide, which presents high Gd3+ atom density. For ...
Generation and Reactivity of Electron-Rich Carbenes on the Surface of Catalytic Gold Nanoparticles

Oliver-Meseguer, Judit; Boronat Zaragoza, Mercedes; Vidal Moya, José Alejandro; Concepción Heydorn, Patricia; Rivero-Crespo, Miguel Ángel; Leyva Perez, Antonio; Corma Canós, Avelino (American Chemical Society, 2018-03-07)

[EN] The reactive nature of carbenes can be modulated, and ultimately reversed, by receiving additional electron density from a metal. Here, it is shown that Au nanoparticles (NPs) generate an electron-rich carbene on ...
Growing modulator agents for the synthesis of Al-MOF-type materials based on assembled 1D structural sub-domains

Moreno, José María; Velty, Alexandra; Vidal Moya, José Alejandro; DÍAZ MORALES, URBANO MANUEL; Corma Canós, Avelino (The Royal Society of Chemistry, 2018-04-21)

[EN] Novel aluminium MOF-type materials structured by 1D subdomains, such as organic-inorganic nanoribbons, were synthesized by modifying the conditions of solvothermal synthesis and the nature of the solvents in the ...
Host-Guest and Guest-Guest Interactions of P- and N-Containing Structure Directing Agents Entrapped inside MFI-Type Zeolite by Multinuclear NMR Spectroscopy

Martinez-Ortigosa, Joaquin; Simancas-Coloma, Jorge; Vidal Moya, José Alejandro; Gaveau, Philippe; Rey Garcia, Fernando; Alonso, B.; Blasco Lanzuela, Teresa (American Chemical Society, 2019-09-12)

[EN] Highly crystalline pure silica MFI zeolites have been synthesized using tetraethylammonium (TEA), tetraethylphosphonium (TEP), or a mixture of both cations in different proportions as organic structure directing agents ...
Identification of Active Surface Species for Friedel Crafts Acylation and Koch Carbonylation Reactions by in situ Solid-State NMR Spectroscopy

Lezcano González, Inés; Vidal Moya, José Alejandro; Boronat Zaragoza, Mercedes; Blasco Lanzuela, Teresa; Corma Canós, Avelino (Wiley-VCH Verlag, 2013-05-03)

Finding the culprits: In situ NMR spectroscopy combined with theoretical calculations show the formation of acetyl species covalently bound to framework oxygen atoms in acid zeolites. These species, and not the usually ...
Incorporation of cubane-type Mo3S4 molybdenum cluster sulfides in the framework of mesoporous silica

Carrillo, Adela I.; García-Martínez, Javier; Llusar, Rosa; Serrano, Elena; Sorribes, Ivan; Vicent, Cristina; Vidal Moya, José Alejandro (Elsevier, 2012-03-15)

[EN] A new molybdenum siloxo cluster of formula [Mo3S4(dmpe)(3)(MPTES)(3)]PF6 (dmpe = 1,2-(bis)dimethylphosphinoethane; MPTES = (3-mercaptopropyl)triethoxysilane) has been synthesized with the ultimate goal of incorporating ...
Lattice Opening Upon Bulk Reductive Covalent Functionalization of Black Phosphorus

Wild, Stefan; Fickert, Michael; Mitrovic, Aleksandra; Lloret, Vicent; Neiss, Christian; Vidal Moya, José Alejandro; Rivero-Crespo, Miguel Ángel; Leyva Perez, Antonio; Werbach, Katharina; Peterlik, Herwig; Grabau, Mathias; Wittkamper, Haiko; Papp, Christian; Steinrück, Hans-Peter; Pichler, Thomas; Gorling, Andreas (John Wiley & Sons, 2019-04-16)

[EN] The chemical bulk reductive covalent functionalization of thin-layer black phosphorus (BP) using BP intercalation compounds has been developed. Through effective reductive activation, covalent functionalization of the ...
Minimizing rare earth content of FCC catalysts: Understanding the fundamentals on combined P-La stabilization

Martínez, Cristina; Vidal Moya, José Alejandro; Yilmaz, Bilge; Kelkar, C.P.; Corma Canós, Avelino (Elsevier, 2023-06-01)

[EN] Fluidized Catalytic cracking (FCC) is one of the main conversion processes in conventional refineries and employs a multicomponent catalyst with Y zeolite as the main source of activity and selectivity towards value ...
Modulation of zeolite acidity by post-synthesis treatments in Mo/HZSM-5 catalysts for methane dehydroaromatization

Martinez Feliu, Agustin; Peris Chanzá, Ernesto José; Vidal Moya, José Alejandro (Elsevier, 2008)

The acid properties of HZSM-5 were modulated by treatment with acids (oxalic, citric, nitric), (NH(4))(2)SiF(6), steaming, steaming+acid, and partial exchange with Cs(+). Then, catalysts containing 3wt% Mo were prepared ...
MOF-Stabilized Perfluorinated Palladium Cages Catalyze the Additive-Free Aerobic Oxidation of Aliphatic Alcohols to Acids

Greco, Rossella; Tiburcio-Fortes, Estefania; Fernandez, Antonio; Marini, Carlo; Vidal Moya, José Alejandro; Oliver-Meseguer, Judit; Armentano, Donatella; Pardo, Emilio; Ferrando-Soria, Jesus; Leyva Perez, Antonio (John Wiley & Sons, 2022-01)

[EN] Extremely high electrophilic metal complexes, composed by a metal cation and very electron poor sigma-donor ancillary ligands, are expected to be privileged catalysts for oxidation reactions in organic chemistry. ...