Listar Artículos (Química Inorgánica) por autor "Caballero Martínez, Alfonso"
Mostrando ítems 1-20 de 20
-
Artículo
Bimetallic Ni-Co/SBA-15 catalysts for reforming of ethanol: How cobalt modifies the nickel metal phase and product distribution
Rodríguez Gómez, Alberto; Caballero Martínez, Alfonso (Elsevier, 2018)In this study, five mono and bimetallic xNi-(10-x)Co/SBA-15 catalysts (x = 10, 8, 5, 2 and 0, with a total metallic content ...
-
Artículo
Catalytic performance of cobalt supported onto APTES functionalized TiO2 for Fischer-Tropsch reaction
Platero Moreno, Francisco Jesús; Caballero Martínez, Alfonso; Colón Ibáñez, Gerardo (Science, 2023)Cobalt supported TiO2 catalysts have been prepared by wet-impregnation and by immobilization over APTES (3-aminopropyl ...
-
Artículo
Characterization of Re-Mo/ZSM-5 Catalysts: How Re Improves the Performance of Mo in the Methane Dehydroaromatization Reaction
López Martín, Angeles María; Sini, M. F.; Cutrufello, M. G.; Caballero Martínez, Alfonso; Colón, G. (Elsevier, 2022)In this study, the promoting effect of rhenium addition as a co-dopant on Mo/ZSM-5 catalysts system has been analysed. ...
-
Artículo
Cobalt Stabilization through Mesopore Confinement on TiO2 Support for Fischer−Tropsch Reaction
Platero Moreno, Francisco Jesús; Todorova, S.; Aoudjera, L.; Michelin, L.; Lebeau, B.; Blin, J. L.; Holgado, J.P.; Caballero Martínez, Alfonso; Colón, G. (American Chemical Society, 2023)Cobalt supported on mesostructured TiO2 catalysts has been prepared by a wet-impregnation method. The Co/TiO2 catalytic ...
-
Artículo
Elucidating the Promotional Effect of Cerium in the Dry Reforming of Methane
Rodríguez Gómez, Alberto; López Martín, Ángeles; Ramírez, Adrián; Gascón, Jorge; Caballero Martínez, Alfonso (Wiley-Blackwell, 2021)A series of Ni-Ce catalysts supported on SBA-15 has been prepared by co-impregnation, extensively characterized and evaluated ...
-
Artículo
In situ spectroscopic detection of SMSI effect in a Ni/CeO2 system: Hydrogen-induced burial and dig out of metallic nickel
Caballero Martínez, Alfonso; Holgado, Juan Pedro; González de la Cruz, Víctor M.; Habas, Susan E.; Herranz, Tirma; Salmeron, Miquel (Royal Society of Chemistry, 2010)In situ APPES technique demonstrates that the strong metal support interaction effect (SMSI) in the Ni-ceria system is ...
-
Artículo
Influence of Al2O3 reinforcement on precipitation kinetic of Cu-Cr nanocomposite
Sheibani, S.; Ataie, A.; Heshmati-Manesh, S.; Caballero Martínez, Alfonso; Criado Luque, José Manuel (Elsevier, 2011)In this paper, the kinetic of precipitation process in mechanically alloyed Cu-1 wt.% Cr and Cu-1 wt.% Cr/3 wt.% Al2O3 ...
-
Artículo
Methanation of CO2 over High Surface Nickel/Aluminates Compounds Prepared by a Self-Generated Carbon Template
Roudane, Sarra; Bettahar, Noureddin; Caballero Martínez, Alfonso; Holgado, Juan Pedro (Multidisciplinary Digital Publishing Institute (MDPI), 2023)Catalytic gas-phase hydrogenation of CO2 into CH4 was tested under three different nickel/aluminate catalysts obtained ...
-
Artículo
Near-ambient X-ray photoemission spectroscopy and kinetic approach to the mechanism of carbon monoxide oxidation over lanthanum substituted cobaltites
Hueso Martos, José Luis; Martínez Martínez, D.; Caballero Martínez, Alfonso; Rodríguez González-Elipe, Agustín; Mun, B. S.; Salmeron, Miquel (Elsevier, 2009)We have studied the oxidation of carbon monoxide over a lanthanum substituted perovskite (La0.5Sr0.5CoO3-d) catalyst ...
-
Artículo
Nickel Particles Selectively Confined in the Mesoporous Channels of SBA-15 Yielding a Very Stable Catalyst for DRM Reaction
Rodríguez Gómez, Alberto; Pereñíguez Rodríguez, Rosa María; Caballero Martínez, Alfonso (American Chemical Society, 2018)A series of four Ni catalysts supported on SBA-15 and on a high SiO2 surface area have been prepared by modified impregnation ...
-
Artículo
Operando XAS and Raman study on the structure of a supported vanadium oxide catalyst during the oxidation of H2S to sulphur
Holgado Vázquez, Juan Pedro; Soriano, M. D.; Jiménez-Jiménez, J.; Concepción, P.; Jiménez-López, A.; Caballero Martínez, Alfonso; Rodríguez-Castellón, E.; López Nieto, J.M. (Elsevier, 2010)The modification of crystalline phases of a vanadium oxide supported on mesoporous zirconium phosphate during the partial ...
-
Artículo
Preferential oxidation of CO on a La-Co-Ru perovskite-type oxide catalyst
Pereñíguez Rodríguez, Rosa María; Caballero Martínez, Alfonso; Ferri, Davide (Elsevier, 2017)A Ru-containing perovskite-type oxide La(Co,Ru)O3 of nominal composition LaCo0.8Ru0.2O3 was prepared by ultrasonic spray ...
-
Artículo
Revealing the substitution mechanism in Eu3+:CaMoO4 and Eu3+,Na+:CaMoO4 phosphors
Becerro Nieto, Ana Isabel; Allix, Mathieu; Laguna Moreno, Mariano; González Mancebo, Daniel; Genevois, Cecile; Caballero Martínez, Alfonso; Lozano Suárez, Juan Gabriel; Núñez Álvarez, Nuria Ofelia; Ocaña Jurado, Manuel (Royal Society of Chemistry, 2018)Eu3+-Doped calcium molybdate is an excellent phosphor for lighting and display devices due to the very intense pure red ...
-
Artículo
Room-temperature reaction of oxygen with gold: An in situ ambient-pressure x-ray photoelectron spectroscopy investigation
Jiang, Peng; Porsgaard, Soeren; Borondics, Ferenc; Kober, Mariana; Caballero Martínez, Alfonso; Bluhm, Hendrik; Besenbacher, Flemming; Salmeron, Miquel (American Chemical Society, 2010)(Figure Presented) The interaction of O2 with gold foil and gold nanoparticles grown by thermal deposition on TiO2(110) ...
-
Artículo
Structural and chemical reactivity modifications of a cobalt perovskite induced by Sr-substitution. An in situ XAS study
Hueso Martos, José Luis; Holgado Vázquez, Juan Pedro; Pereñíguez Rodríguez, Rosa María; González de la Cruz, Víctor Manuel; Caballero Martínez, Alfonso (Elsevier, 2015)LaCoO3 and La0.5Sr0.5CoO3-δ perovskites have been studied by in situ Co K-edge XAS. Although the partial substitution of ...
-
Artículo
Support Effects on NiO-based Catalysts for the Oxidative Dehydrogenation (ODH) of Ethane
Delgado, D.; Sanchís, R.; Cecilia, J. A.; Caballero Martínez, Alfonso; Solsona, B.; López Nieto, J. M. (Elsevier, 2019)We report on the effect of NiO-support interactions on the chemical nature of Ni species in a series of supported NiO ...
-
Artículo
Surface Defect Engineered Nano-Cu/TiO2 Photocatalysts for Hydrogen Production
Liccardo, Letizia; Moras, Paolo; Sheverdyaeva, Polina M.; Vomiero, Alberto; Caballero Martínez, Alfonso; Colón, Gerardo (Wiley-V C H Verlag GMBH, 2023-12-21)Surface defects engineered nano-Cu/TiO2 photocatalysts are synthesized through an easy and cost-effective microwave-assisted ...
-
Artículo
Tuning the co-catalyst loading for the optimization of thermo-photocatalytic hydrogen production over Cu/TiO2
Platero Moreno, Francisco Jesús; Caballero Martínez, Alfonso; Colón Ibáñez, Gerardo (Elsevier, 2022)We have optimized the H2 production by methanol thermo-photocatalytic reforming in the gas phase using Cu/TiO2 catalyst ...
-
Artículo
Understanding the differences in catalytic performance for hydrogen production of Ni and Co supported on mesoporous SBA-15
Rodríguez Gómez, Alberto; Pereñíguez Rodríguez, Rosa María; Caballero Martínez, Alfonso (Elsevier, 2017)Three mono and bimetallic Nix Co1−x /SBA-15 catalysts (x = 1, 0.5 and 0) with a total metallic content of 10 wt% have ...
-
Artículo
Unraveling the Mo/HZSM-5 Reduction Pre-treatment Effect on Methane Dehydroaromatization Reaction
López Martín, Ángeles María; Caballero Martínez, Alfonso; Colón, Gerardo (Elsevier, 2022)Reduction pre-treatment at different temperatures were performed over Mo/HZSM-5 system before methane dehydroaromatiztion ...