Exploració per autor "Casanovas Grau, Albert"
Ara es mostren els items 1-12 de 12
-
Ambient pressure photoemission spectroscopy reveals the mechanism of carbon soot oxidation in ceria-based catalysts
Soler Turu, Lluís; Casanovas Grau, Albert; Escudero, Carlos; Pérez-Dieste, Virginia; Aneggi, Eleonora; Trovarelli, Alessandro; Llorca Piqué, Jordi (2016-06-27)
Article
Accés obertRemoving soot is one of the most important challenges in minimizing the impact of combustion engines on the environment. Catalysts based on CeO2 have proved suitable to oxidize soot due to their capacity to store and release ... -
Catalytic ammonia decomposition for hydrogen production on Ni, Ru and Ni–Ru supported on CeO2
Lucentini, Ilaria; Casanovas Grau, Albert; Llorca Piqué, Jordi (2019-05-13)
Article
Accés obertCeria-supported Ni, Ru and NiRu catalysts have been tested in the catalytic decomposition of ammonia to yield hydrogen and their performance in long-term tests has been compared to alumina-supported Ni and Ru samples. The ... -
CO oxidation and COPrOx over preformed Au nanoparticles supported over nanoshaped CeO2
Soler Turu, Lluís; Casanovas Grau, Albert; Urrich, Aitor; Angurell Purroy, Inmaculada; Llorca Piqué, Jordi (2016-02-10)
Article
Accés obertAu/CeO2 (0.25% wt. Au) catalysts were prepared by anchoring preformed Au nanoparticles over ceria polycrystals, cubes and rods and tested in the oxidation of CO and COPrOx. The use of preformed Au nanoparticles assured a ... -
Dynamic reorganization of bimetallic nanoparticles under reaction depending on the support nanoshape: the case of RhPd over ceria nanocubes and nanorods under ethanol steam reforming
Soler Turu, Lluís; Casanovas Grau, Albert; Ryan, James; Angurell Purroy, Inmaculada; Escudero, Carlos; Pérez Dieste, Virginia; Llorca Piqué, Jordi (2019-04-05)
Article
Accés restringit per política de l'editorialBimetallic catalysts exhibit high performance compared to that of their monometallic counterparts in a wide range of catalytic reactions. Both geometric and electronic phenomena yield unique properties that cannot be ... -
Effect of temperature on the gas-phase photocatalytic H2 generation using microreactors under UVA and sunlight irradiation
Castedo Rodríguez, Alejandra; Casanovas Grau, Albert; Angurell Purroy, Inmaculada; Soler Turu, Lluís; Llorca Piqué, Jordi (2018-06-15)
Article
Accés obertThe effect of temperature on the photocatalytic hydrogen generation from a gaseous water-ethanol mixture has been tested in a silicone microreactor containing nine microchannels of 500 µm (width) × 1 mm (depth) × 47 mm ... -
Finding a suitable catalyst for on-board ethanol reforming using exhaust heat from an internal combustion engine
Casanovas Grau, Albert; Jiménez Divins, Nuria; Rejas García, Albert; Bosch Tous, Ricardo; Llorca Piqué, Jordi (2017-05-11)
Article
Accés obertEthanol steam reforming with pure ethanol and commercial bioethanol (S/C = 3) was carried out inside the housing of the exhaust gas pipe of a gasoline internal combustion engine (ICE) by using exhaust heat (610–620 °C). ... -
First tests of the applicability of gamma-ray imaging for background discrimination in time-of-flight neutron capture measurements
Perez Magan, D. L.; Caballero Ontanaya, Luis; Domingo Pardo, César; Agramunt Ros, Jorge; Albiol, F.; Casanovas Grau, Albert; Gonzalez, A.; Guerrero, C.; Lerendegui Marco, J.; Tarifeño Saldivia, Ariel Esteban (2016-07-01)
Article
Accés obertIn this work we explore for the first time the applicability of using gamma-ray imaging in neutron capture measurements to identify and suppress spatially localized background. For this aim, a pinhole gamma camera is ... -
First use of macroporous silicon loaded with catalyst film for a chemical reaction: a microreformer for producing hydrogen from ethanol steam reforming
Llorca Piqué, Jordi; Casanovas Grau, Albert; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; Alcubilla González, Ramón (2008-04-25)
Article
Accés restringit per política de l'editorialMacroporous silicon with millions of parallel microchannels per square centimeter can be used as a micromonolithic support for high-speed catalysis in miniaturized systems, opening a new and exciting field of research and ... -
Gold(I)-complex–titania hybrid photocatalyst for hydrogen production
Aguiló Linares, Elisabet; Soler Turu, Lluís; Casanovas Grau, Albert; Moro, Artur J.; Lima, Joao Carlos; Rodríguez Raurell, Laura; Llorca Piqué, Jordi (2017-09-08)
Article
Accés obertThe integration of TiO2 with a AuI complex containing a thiocoumarin moiety resulted in a very efficient photocatalyst for the generation of H2. The molecular structure of the complex was preserved under the photoreaction ... -
Hydrogen photoproduction from ethanol-water mixtures over Au-Cu alloy nanoparticles supported on TiO2
Bonmatí i Lladó, Eduard; Casanovas Grau, Albert; Angurell Purroy, Inmaculada; Llorca Piqué, Jordi (2015-03-01)
Article
Accés obertAu/TiO2, Au0.75Cu0.25/TiO2, Au0.5Cu0.5/TiO2 and Au0.25Cu0.75/TiO2 photocatalysts prepared from pre-formed Au and Au-Cu alloy nanoparticles of controlled composition and size were loaded over ceramic honeycombs (2 mg cm(-2)) ... -
Unraveling the chemical state of cobalt in Co-based catalysts during Ethanol steam reforming: an in situ study by near ambient pressure XPS and XANES
Huck-Iriart, Cristián; Soler Turu, Lluís; Casanovas Grau, Albert; Marini, Carlo; Prat, Jordi; Llorca Piqué, Jordi; Escudero, Carlos (2018-01-01)
Article
Accés obert -
X-ray photoelectron and Raman spectroscopy of nanostructured ceria in soot oxidation under operando conditions
García de Andrés, Xènia; Soler Turu, Lluís; Casanovas Grau, Albert; Escudero, Carlos; Llorca Piqué, Jordi (2021-06)
Article
Accés obertCeria nanoshapes exhibiting different amounts of {100}, {110} and {111} facets (cubes, rods, octahedra and polyhedra) were prepared, characterized, tested in the carbon soot oxidation reaction, and studied by operando near ...