Enviaments recents

  • Heterogenized water oxidation catalysts prepared by immobilizing Klaui-type organometallic precursors 

    Pastori, Gabriele; Wahab, Khaja; Bucci, Alberto; Bellachioma, Gianfranco; Zuccaccia, Cristiano; Llorca Piqué, Jordi; Idriss, Hicham; Macchioni, Alceo (2016-09-12)
    Article
    Accés restringit per política de l'editorial
    An efficient heterogenized water oxidation catalyst (2_TiO2) has been synthesized by immobilizing the Kläui-type organometallic precursor [Cp*Ir{P(O)(OH)2}3]Na (2, Cp*=1,2,3,4,5-pentamethylcyclopentadienyl ligand) onto ...
  • Experimental study of 2-methoxyethanol steam reforming in a membrane reactor for pure hydrogen production 

    Hedayati, Ali; Llorca Piqué, Jordi (2017-02-15)
    Article
    Accés restringit per política de l'editorial
    For the first time, 2-methoxyethanol (C3H8O2) was used for producing pure hydrogen in a catalytic membrane reactor (CMR) via steam reforming (SR). The SR experiments were performed at 923 K and 1–10 bar using a mixture of ...
  • UO2 surface oxidation by mixtures of water vapor and hydrogen as a function of temperature 

    Espriu Gascon, Alexandra; Llorca Piqué, Jordi; Domínguez Escalante, Montserrat; Giménez Izquierdo, Francisco Javier; Casas Pons, Ignasi; Pablo Ribas, Joan de (Elsevier, 2015-12-01)
    Article
    Accés restringit per política de l'editorial
    In the present work, X-Ray Photoelectron Spectroscopy (XPS) was used to study the effect of water vapor on the UO2 surface as a function of temperature. The experiments were performed in situ inside a high pressure chamber ...
  • Plasma functionalized surface of commodity polymers for dopamine detection 

    Fabregat Jové, Georgina; Osorio Madrigal, Joaquin; Castedo Rodríguez, Alejandra; Armelín Diggroc, Elaine Aparecida; Buendía Morales, Jorge Juan; Llorca Piqué, Jordi; Alemán Llansó, Carlos (2017-03-31)
    Article
    Accés restringit per política de l'editorial
    We have fabricated potentially generalizable sensors based on polymeric-modified electrodes for the electrochemical detection of dopamine. Sensitive and selective sensors have been successfully obtained by applying a ...
  • A plausible link between the asteroid 21 Lutetia and CH carbonaceous chondrites 

    Moyano Cambero, Carles E.; Trigo-Rodríguez, José María; Llorca Piqué, Jordi; Fornasier, Sonia; Barucci, Maria Antonietta; Rimola, Albert (2016-10-01)
    Article
    Accés restringit per política de l'editorial
    A crucial topic in planetology research is establishing links between primitive meteorites and their parent asteroids. In this study, we investigate the feasibility of a connection between asteroids similar to 21 Lutetia, ...
  • Anaerobic co-digestion of acetate-rich with lignin-rich wastewater and the effect of hydrotalcite addition 

    Rodriguez Chiang, Lourdes Maria; Llorca Piqué, Jordi; Dahl Olli, Peka (2016-10-01)
    Article
    Accés restringit per política de l'editorial
    The methane potential and biodegradability of different ratios of acetate and lignin-rich effluents from a neutral sulfite semi-chemical (NSSC) pulp mill were investigated. Results showed ultimate methane yields up to 333 ...
  • Synthesis and thermoelectric properties of noble metal ternary chalcogenide systems of Ag-Au-Se in the forms of alloyed nanoparticles and colloidal nanoheterostructures 

    Dalmases, Mariona; Ibañez, María; Torruella, Pau; Fernàndez Altables, Victor; López-Conesa, Lluis; Piveteau, Laura; Nachtegaal, Maarten; Llorca Piqué, Jordi; Ruiz González, Maria Luisa; Estradé, Sònia; Peiró, Francesca; Kovalenko, Maksym V.; Cabot, Andreu; Figuerola, Albert (2016-10-11)
    Article
    Accés restringit per política de l'editorial
    The optimization of a material functionality requires both the rational design and precise engineering of its structural and chemical parameters. In this work, we show how colloidal chemistry is an excellent synthetic ...
  • Origin of high activity and selectivity of CuO/CeO2 catalysts prepared by solution combustion synthesis in CO-PROX reaction 

    Barbato, P.S.; Colussi, Sara; Di Benedetto, A.; Landi, Giada; Lisi, L.; Llorca Piqué, Jordi; Trovarelli, Alessandro (2016-06-23)
    Article
    Accés restringit per política de l'editorial
    A CuO/CeO2 catalyst with 4 wt % CuO nominal content has been prepared by solution combustion synthesis (SCS) and characterized by ICP-MS, BET surface area analysis, XPS, HRTEM, and H-2, and/or CO TPR. The catalyst, showing ...
  • Reactions of ethanol over CeO2 and Ru/CeO2 catalysts 

    Mudiyanselage, K.; Al-Shankiti, I.; Foulis, A.; Llorca Piqué, Jordi; Idriss, H. (2016-11-15)
    Article
    Accés restringit per política de l'editorial
    The reaction of ethanol has been investigated on Ru/CeO2 in steady state conditions as well as with temperature programmed desorption (TPD). High resolution transmission electron microscopy (HRTEM) images indicated that ...
  • Structural and electrocatalytic properties of molten core Sn@SnOx nanoparticles on ceria 

    Bardini, Luca; Pappacena, Alfonsina; Domínguez Escalante, Montserrat; Llorca Piqué, Jordi; Boaro, Marta; Trovarelli, Alessandro (2016-11-15)
    Article
    Accés restringit per política de l'editorial
    The morphological and chemical modifications following reduction in hydrogen at 873 K of stannic oxide deposited on ceria particles were studied in order to gain insights into the nature of Ce-Sn interaction under reducing ...

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