Enviaments recents

  • Cu supported on mesoporous ceria: water gas shift activity at low Cu loadings through metal-support interactions 

    Vovchock, Dimitriy; Guild, Curtis J.; Llorca Piqué, Jordi; Xu, Wenqian; Jafari, Tahereh; Toloueinia, Panteha; Kriz, David A.; Palomino, Robert M.; Waluyo, Iradwikanari; Rodriguez, Jose A.; Suib, Steven L.; Senanayake, S. D. (2017-06-20)
    Article
    Accés restringit per política de l'editorial
    We have synthesized and tested a highly active Cu doped mesoporous CeO2 catalyst system for the low temperature water-gas shift (WGS) reaction. While typical oxide-supported copper WGS catalysts are characterized by high ...
  • Chemoselective hydrogenation of cinnamaldehyde at atmospheric pressure over combustion synthesized Pd catalysts 

    Das, Dipak; Pal, Kamalesh; Llorca Piqué, Jordi; Domínguez Escalante, Montserrat; Colussi, Sara; Trovarelli, Alessandro; Gayen, Arup (2017-10-01)
    Article
    Accés obert
    A series of Pd-supported metal oxides (Al2O3, Fe2O3 and CeO2) have been prepared by a single step solution combustion synthesis (SCS) method. Their catalytic performance was evaluated for the selective hydrogenation of ...
  • 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 restringit per política de l'editorial
    The 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 ...
  • Fe3O4@NiFexOy nanoparticles with enhanced electrocatalytic properties for oxygen evolution in carbonate electrolyte 

    Luo, Zhishan; Martí Sanchez, Sara; Nafria Soler, Raquel; Joshua, Gihan; de la Mata, María; Guardia, Pablo; Flox Donoso, Cristina; Martinez-Boubeta, Carlos; Simeonidis, Konstantinos; Llorca Piqué, Jordi; Morante, Joan Ramon; Arbiol, Jordi; Ibañez, María; Cabot, Andreu (2016-11-02)
    Article
    Accés restringit per política de l'editorial
    The design and engineering of earth-abundant catalysts that are both cost-effective and highly active for water splitting are crucial challenges in a number of energy conversion and storage technologies. In this direction, ...
  • Standalone ethanol micro-reformer integrated on silicon technology for onboard production of hydrogen-rich gas 

    Pla, Dolors; Salleras, M.; Morata García, Alejandro; Garbayo, I.; Gerboles, M.; Sabaté, Nuria; Divins, N. J.; Casanovas Hoste, Adrià; Llorca Piqué, Jordi; Tarancón Rubio, Albert (2016)
    Article
    Accés restringit per política de l'editorial
    A novel design of a silicon-based micro-reformer for onboard hydrogen generation from ethanol is presented in this work. The micro-reactor is fully fabricated with mainstream MEMS technology and consists of an active ...
  • Ceria catalysts at nanoscale: how do crystal shapes shape catalysis? 

    Trovarelli, Alessandro; Llorca Piqué, Jordi (2017-07-01)
    Article
    Accés restringit per política de l'editorial
    Engineering the shape and size of catalyst particles and the interface between different components of heterogeneous catalysts at the nanometer level can radically alter their performances. This is particularly true with ...
  • Enhanced photocatalytic degradation of methylene blue: Preparation of TiO2/reduced graphene oxide nanocomposites by direct sol-gel and hydrothermal methods 

    Atout, H.; Alvarez, Mayra G; Chebli, D.; Bouguettoucha, A.; Tichit, Didier; Llorca Piqué, Jordi; Medina Cabello, Francisco (2017-11)
    Article
    Accés obert
    In this study, two different preparation methods of titanium dioxide nanoparticles/reduced graphene oxide nanocomposites were investigated using direct sol-gel method followed by hydrothermal treatment or simple hydrothermal ...
  • New insights into the dynamics that control the activity of ceria-zirconia solid solutions in thermochemical water splitting cycles 

    Pappacena, Alfonsina; Rancan, M.; Armelao, Lidia; Llorca Piqué, Jordi; Ge, W.; Ye, B.; Lucotti, A.; Trovarelli, Alessandro; Boaro, Marta (2017-08-24)
    Article
    Accés restringit per política de l'editorial
    The reactivity of a ceria-rich Ce0.85Zr0.15O2 solid solution toward the thermochemical water splitting process (TWS) was studied over repeated H2/H2O redox cycles. The structural and surface modifications after treatment ...
  • Pd2Sn [010] nanorods as a highly active and stable ethanol oxidation catalyst 

    Luo, Zhishan; Lu, jianmin; Flox Donoso, Cristina; Nafria Soler, Raquel; Genç, Aziz; Arbiol, Jordi; Llorca Piqué, Jordi; Ibañez, María; Morante, Joan Ramon; Cabot Codina, Andreu (Royal Society of Chemistry, 2016)
    Article
    Accés restringit per política de l'editorial
    The development of highly active, low cost and stable electrocatalysts for direct alcohol fuel cells remains a critical challenge. While Pd2Sn has been reported as an excellent catalyst for the ethanol oxidation reaction ...
  • Sources of deactivation during glycerol conversion on Ni/gamma-Al2O3 

    Chimentao, Ricardo J; Miranda Morales, Bárbara C.; Szanyi, J; Sepulveda, C.; Santos, Jeannette B O; Correa, J. V. S.; Llorca Piqué, Jordi; Medina Mena, Francisco (2017-07-01)
    Article
    Accés restringit per política de l'editorial
    Hydrogenolysis of glycerol was studied using a diluted aqueous solution of glycerol in gas phase and atmospheric pressure on Ni/¿-Al2O3 catalyst. The catalytic transformation of glycerol generates products derived from ...

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