Now showing items 1-20 of 63

    • 3D printed microstructured Au/TiO2 catalyst for hydrogen photoproduction 

      Elkoro Ugarteburu, Ander; Soler Turu, Lluís; Llorca Piqué, Jordi; Casanova Hormaechea, Ignasi (Elsevier, 2019-06-25)
      Article
      Open Access
      We successfully 3D printed Au/TiO2 monoliths for photogenerating hydrogen from water/ethanol gaseous mixtures under dynamic conditions. Monolith designs were printed by additive superposition of microfilaments of titania-based ...
    • 7 - Hydrogen production in microreactors 

      Soler Turu, Lluís; Jiménez Divins, Nuria; Vendrell Villafruela, Xavier; Serrano Carreño, M. Isabel; Llorca Piqué, Jordi (Elsevier, 2020-07-24)
      Part of book or chapter of book
      Restricted access - publisher's policy
      Catalytic microreactors constitute a crucial technology for process intensification in the production of hydrogen, particularly for on-site and/or onboard applications intended to feed fuel cells. This chapter describes ...
    • A direct Z-scheme for the photocatalytic hydrogen production from a water ethanol mixture on CoTiO3/TiO2 heterostructures 

      Xing, Congcong; Liu, Yongpeng; Zhang, Yu; Wang, Xiang; Guardia, Pablo; Yao, Liang; Han, Xu; Zhang, Ting; Arbiol Cobos, Jordi; Soler Turu, Lluís; Chen, Yufen; Sivula, Kevin; Guijarro, Néstor; Cabot, Andreu; Llorca Piqué, Jordi (2021-01-01)
      Article
      Open Access
      Photocatalytic H2 evolution from ethanol dehydrogenation is a convenient strategy to store solar energy in a highly valuable fuel with potential zero net CO2 balance. Herein, we report on the synthesis of CoTiO3/TiO2 ...
    • A Pd/Al2O3-based micro-reformer unit fully integrated in silicon technology for H-rich gas production 

      Bianchini, Marco; Alayo, Nerea; Soler Turu, Lluís; Salleras, M.; Fonseca Chácharo, Luis; Llorca Piqué, Jordi; Tarancón Rubio, Albert (Institute of Physics (IOP), 2019-11-01)
      Article
      Open Access
      This work reports the design, manufacturing and catalytic activity characterization of a micro-reformer for hydrogen-rich gas generation integrated in portable-solid oxide fuel cells (µ-SOFCs). The reformer has been designed ...
    • A straightforward method to prepare supported Au clusters by mechanochemistry and its application in photocatalysis 

      Chen, Yufen; Soler Turu, Lluís; Xie, Chenyang; Vendrell Villafruela, Xavier; Serafin, Jaroslaw; Crespo Artiaga, Daniel; Llorca Piqué, Jordi (Elsevier, 2020-12)
      Article
      Open Access
      Reducing the metal particle size on semiconductor-based materials from a few nanometers down to well-dispersed clusters or single atoms has been demonstrated to be an effective strategy to enhance the photocatalytic ...
    • Aluminum and aluminum alloys as sources of hydrogen for fuel cell applications 

      Soler Turu, Lluís; Macanás de Benito, Jorge; Muñoz Tapia, Maria; Casado Giménez, Juan (2007-06-10)
      Article
      Restricted access - publisher's policy
      Production of hydrogen using aluminum and aluminum alloys with aqueous alkaline solutions is studied. This process is based on aluminum corrosion, consuming only water and aluminum which are cheaper raw materials than other ...
    • 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
      Open Access
      Removing 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 ...
    • Ammonia decomposition over 3D-printed CeO2 structures loaded with Ni 

      Lucentini, Ilaria; Serrano Carreño, M. Isabel; Soler Turu, Lluís; Jiménez Divins, Nuria; Llorca Piqué, Jordi (2020-02-05)
      Article
      Open Access
      Binder-free ceria pastes have been formulated and used to prepare ceria structures with a woodpile arrangement of microchannels through 3D printing. After loading them with nickel, these catalytic structures have been ...
    • Au/TiO2 2D-photonic crystals as UV–visible photocatalysts for H2 production 

      Torras, Miquel; Molet, Pau; Soler Turu, Lluís; Llorca Piqué, Jordi; Roig, Anna; Mihi, Agustin (2022-02-10)
      Article
      Open Access
      Noble metal decoration of wideband gap semiconductors enables the excitation of surface plasmons in the visible range that upon relaxation generate hot carriers used for catalysis. However, this strategy leads to photocatalytic ...
    • Au/TiO2 Lyogels for Hydrogen Production 

      Molins, Elies; Benito, Mónica; Mata, Ignasi; Martínez, Lester; Soler Turu, Lluís; Llorca Piqué, Jordi (Cambridge University Press, 2017-05-15)
      Article
      Restricted access - author's decision
      Au/TiO2 lyogels have been prepared by sol-gel process followed by freeze-drying and calcination in order to induce crystallization. In the synthesis, a dispersion of AuNPs was added either during the sol-gel process or ...
    • Bimetallic NiFe nanoparticles supported on CeO2 as catalysts for methane steam reforming 

      Braga, Andrea; Armengol Profitós, Marina; Pascua Solé, Laia; Vendrell Villafruela, Xavier; Soler Turu, Lluís; Serrano Carreño, M. Isabel; Villar García, Ignacio J.; Pérez Dieste, Virginia; Jiménez Divins, Nuria; Llorca Piqué, Jordi (American Chemical Society, 2023-05-12)
      Article
      Open Access
      Ni-Fe nanocatalysts supported on CeO2 have been prepared for the catalysis of methane steam reforming (MSR) aiming for coke-resistant noble metal-free catalysts. The catalysts have been synthesized by traditional incipient ...
    • Biofunctionalized self-propelled micromotors as an alternative on-chip concentrating system 

      Restrepo Perez, Laura; Soler Turu, Lluís; Martinez Cisneros, Cynthia; Sanchez, Samuel; Schmidt, Oliver G. (2014-05-29)
      Article
      Restricted access - publisher's policy
      Sample pre-concentration is crucial to achieve high sensitivity and low detection limits in lab-on-a-chip devices. Here, we present a system in which self-propelled catalytic micromotors are bio-functionalized and trapped ...
    • Catalytic nanomotors for environmental monitoring and water remediation 

      Soler Turu, Lluís; Sanchez, Samuel (2014-04-01)
      Article
      Restricted access - publisher's policy
      Self-propelled nanomotors hold considerable promise for developing innovative environmental applications. This review highlights the recent progress in the use of self-propelled nanomotors for water remediation and ...
    • Ceria-based catalysts studied by near ambient pressure x-ray photoelectron spectroscopy: A review 

      García de Andrés, Xènia; Soler Turu, Lluís; Jiménez Divins, Nuria; Vendrell Villafruela, Xavier; Serrano Carreño, M. Isabel; Lucentini, Ilaria; Prat Albert, Jordi; Solano Minuesa, Eduardo; Tallarida, Massimo; Escudero, Carlos; Llorca Piqué, Jordi (2020-03-03)
      Article
      Open Access
      The development of better catalysts is a passionate topic at the forefront of modern science, where operando techniques are necessary to identify the nature of the active sites. The surface of a solid catalyst is dynamic ...
    • Ceria-zirconia particles wrapped in a 2D carbon envelope: improved low-temperature oxygen transfer and oxidation activity 

      Aneggi, Eleonora; Rico Perez, Veronica; de Leitenburg, Carla; Maschio, Stefano; Soler Turu, Lluís; Llorca Piqué, Jordi; Trovarelli, Alessandro (2015-10-08)
      Article
      Open Access
      Engineering the interface between different compo-nents of heterogeneous catalysts at nanometer level canradically alter their performances.This is particularly true forceria-based catalysts where the interactions are ...
    • Chemically powered micro- and nanomotors 

      Sanchez, Samuel; Soler Turu, Lluís; Katuri, Jaideep (2015-01-26)
      Article
      Restricted access - publisher's policy
      Chemically powered micro- and nanomotors are small devices that are self-propelled by catalytic reactions in fluids. Taking inspiration from biomotors, scientists are aiming to find the best architecture for self-propulsion, ...
    • 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
      Open Access
      Au/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 ...
    • Curs 0: preparació per als estudis a l’EEBE 

      Tornil Sin, Sebastián; Botey Cumella, Muriel; Alarcón Jordán, Marta; Alcaraz Sendra, Olga; Ametller Congost, Lluís; Bruna Escuer, Pere; Camps Anaya, Germinal; Carmona Mejías, Ángeles; Claverol Aguas, Mercè; Crespo Artiaga, Daniel; Pablo Ribas, Joan de; Barrio Casado, María del; Valle Mendoza, Luis Javier del; Encinas Bachiller, Andrés Marcos; Farran Marsà, Adriana; Florido Pérez, Antonio; Gámez López, Antonio; García Senz, Domingo; Gibert Agulló, Oriol; Ikhouane, Fayçal; Jiménez Jiménez, María José; José Pont, Jordi; Linares Alegret, Manuel; Lloveras Muntané, Pol Marcel; López López, José; Macovez, Roberto; Mas Blesa, Albert; Mitjana Riera, Margarida; Muñoz Romero, José; Pardo Soto, Luis Carlos; Periago Oliver, M. Cristina; Pineda Soler, Eloi; Pradell Cara, Trinitat; Ruiz Ordóñez, Magda; Sala Cladellas, Glòria; Soler Turu, Lluís; Tamarit Mur, José Luis; Vendrell Villafruela, Xavier; Zanuy Gomara, David (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2022-05)
      Article
      Open Access
      Aquest article presenta el desenvolupament i primers resultats d'ús d'un conjunt de cursos virtuals que pretenen proporcionar uns coneixements inicials bàsics de Matemàtiques, Física i !ímica als estudiants que accedeixen ...
    • 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
      Restricted access - publisher's policy
      Bimetallic 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
      Open Access
      The 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 ...