[EN] Copper and cerium bi-component modifications of KIT-6 were prepared by wetness impregnation technique from the corresponding nitrate precursors. Nitrogen physisorption, XRD, FTIR of adsorbed CO, UV-Vis, XPS and TPR ...
Rapeyko, Anastasia; Climent Olmedo, María José; Corma Canós, Avelino; Concepción Heydorn, Patricia; Iborra Chornet, Sara(WileyChemPubSoc EuropeAsian Chemical Editorial Society, 2015-10-12)
The dehydration of aldoximes to the corresponding nitriles can be performed with excellent activity and selectivity by using iron trimesate as a homogeneous catalyst. Iron trimesate has been heterogenized by synthesizing ...
[EN] Two sets of Ga-promoted MoVTeO catalysts were synthesized hydrothermally and heat-treated at 600 degrees C in N-2: (i) materials prepared from gels with Mo/V/Te/Ga atomic ratios of 1/0.60/0.17/x (x=0-0.12) (A-series) ...
López Nieto, José Manuel; Solsona Espriu, Benjamin Eduardo; Grasselli, Robert K.; Concepción Heydorn, Patricia(Springer Verlag (Germany), 2014-09)
Metal oxide promoted NiO catalysts with a Ni/(Me + Ni) atomic ratio 0.92 have been investigated for the oxidative dehydrogenation of ethane. These materials have been characterized by several techniques (N-2-adsorption, ...
Boronat Zaragoza, Mercedes; Pulido, Ángeles; Concepción Heydorn, Patricia; Corma Canós, Avelino(Royal Society of Chemistry, 2014)
The adsorption and dissociation of molecular O-2 over silver extended surfaces, nanoparticles and clusters of different size, as well as the reaction between adsorbed O-2 and H-2 to form less nucleophilic hydroperoxide ...
García García, Saray(Universitat Politècnica de València, 2017-11-06)
During the present PhD thesis, catalysts based on nanoparticles and metallic clusters of different sizes have been designed and synthesized, and their reactivity has been evaluated in selective hydrogenation reactions and ...
López Nieto, José Manuel; Solsona Espriu, Benjamin Eduardo; Concepción Heydorn, Patricia; Ivars Barceló, Francisco; Dejoz, A.; Vazquez, M. I.(Elsevier, 2010-11-17)
[EN] The catalytic properties of MoVTeNbO catalysts during the selective oxidation of short chain alkanes and olefins (C-2-C-4) have been comparatively studied The main reaction products have been ethylene from ethane ...
[EN] Low-temperature (-176 degrees C) CO adsorption on graphene oxide and partially reduced graphene oxide sheets was investigated in a combined IR spectroscopic and DFT study. The reactivity of the carbon vacancies in the ...
Salas Sánchez, José Miguel(Universitat Politècnica de València, 2016-01-13)
[EN] Using various characterization techniques, catalytic behaviour is determinated on different crystalline phases of ZRO2 for Meerwein-Ponndorf-Varley reduction from cyclohexanone to cyclohexanol
[EN] Subnanometric metal species (single atoms and clusters) have been demonstrated to be unique compared with their nanoparticulate counterparts. However, the poor stabilization of subnanometric metal species towards ...
Liu, Lichen; Lopez-Haro, Miguel; Meira, Debora M.; Concepción Heydorn, Patricia; Calvino, Jose J.; Corma Canós, Avelino(John Wiley & Sons, 2020-09-01)
[EN] Preparation of supported metal catalysts with uniform particle size and coordination environment is a challenging and important topic in materials chemistry and catalysis. In this work, we report the regioselective ...
Dhakshinamoorthy, Amarajothi; Santiago-Portillo, Andrea; Concepción Heydorn, Patricia; Herance, Jose R.; Navalón Oltra, Sergio; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo(The Royal Society of Chemistry, 2017-06-21)
[EN] The commercial Al(OH)(BDC) (BDC: 1,4-benzenedicarboxylic acid) metal organic framework (Basolite A100) is a suitable heterogeneous catalyst for the silylation of benzylic and aliphatic alcohols by hexamethyldisilazane ...
[EN] 5-hydroxymethylfurfural (HMF) has been successfully valorized into 3-hydroxymethylcyclopentylamine through a one-pot cascade process in aqueous phase by coupling the hydrogenative ring-rearrangement of HMF into ...
Vanadium oxide supported on mesoporous zirconium phosphate catalysts has been synthesized, characterized and tested in the selective oxidation of H2S to sulfur. The nature of the vanadium species depends on the V-loading ...
Solsona Espriu, Benjamin Eduardo; Concepción Heydorn, Patricia; Demicol, B.; Hernández Morejudo, Selene; Delgado, J. J.; Calvino, J. J.; López Nieto, José Manuel(Elsevier, 2012-11)
[EN] Ni-Sn-O mixed oxides catalysts have been investigated for the oxidative dehydrogenation of ethane. The catalysts were prepared through the evaporation of aqueous solutions of nickel nitrate and tin oxalate and finally ...
Pérez Cortés, Yolanda; Ruiz-González María Luisa; González Calbet, Jose Maria; Concepción Heydorn, Patricia; Boronat Zaragoza, Mercedes; Corma Canós, Avelino(Elsevier, 2012-01-17)
Catalytic studies have shown that the activity of metal nanoparticles depends on their size and shape.
Palladium nanoparticles with different morphologies have been prepared and embedded in a SiO2 and
TiO2 matrix, and ...
[EN] The formation of active sites in the silica supported copper and cerium oxide hi-component catalysts for total oxidation of ethyl acetate was studied by Nitrogen physisorption, XRD, XPS, UV-Vis, Raman, FTIR of adsorbed ...
[EN] Despite the intense investigation on the NH3-SCR-NOx reaction mechanism catalyzed by small pore Cu-CHA zeolites, neither the rate-determining step of the process nor the exact nature of the active sites under reaction ...
[EN] Sub-nanometric Cu clusters formed by endogenous
reduction of Cu salts and Cu nanoparticles are active
and selective catalysts for C−N, C−C, C−O, C−S, and C−P
bond-forming reactions. Sub-nanometric Cu clusters ...
[EN] Modulating the structures of subnanometric metal clusters at the atomic level is a great synthetic and characterization challenge in catalysis. Here, we show how the catalytic properties of subnanometric platinum ...