Enviaments recents

• Silver and manganese co-doped titanium oxide aerogel for effective diclofenac degradation under UV-A light irradiation 

  Tbessi, Imen; Benito Vélez, Mónica; Llorca Piqué, Jordi; Molins, Elies; Sayadi, Sami; Najjar, Wahiba (2019-03-30)
  Article
  Accés restringit per política de l'editorial

  The photodegradation of diclofenac from aqueous medium under UV-A light condition has been essayed using co-doped with manganese and silver TiO2 photocatalysts. X-ray diffraction, Raman spectroscopy, Scanning electron ...
• Colloidal Ni-Co-Sn nanoparticles as efficient electrocatalysts for the methanol oxidation reaction 

  Li, Junshan; Luo, Zhishan; He, Feng; Zuo, Yong; Zang, Chaoqui; Liu, Junfeng; Yu, Xiaoting; Du, Ruifeng; Zhang, Ting; Infante Carrió, Maria F.; Tang, Pengyi; Arbiol, Jordi; Llorca Piqué, Jordi; Cabot Codina, Andreu (Royal Society of Chemistry (RSC), 2018-01-01)
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  Accés restringit per política de l'editorial

  The deployment of direct methanol fuel cells requires engineering cost-effective and durable electrocatalysts for the methanol oxidation reaction (MOR). As an alternative to noble metals, Ni-based alloys have shown excellent ...
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  Selective hydrodeoxygenation of biomass derived 5-hydroxymethylfurfural over silica supported iridium catalysts 

  Chimentão, Ricardo J.; Oliva Muñoz, Héctor; Belmar, Julio B.; Llorca Piqué, Jordi (2019-02-01)
  Article
  Accés obert

  Catalytic performance of iridium supported on SiO2 was investigated for 5-hydroxymethylfurfural (HMF) transformation. Ir/SiO2 catalysts exhibiting different metal loading (1, 3, and 5¿wt.%) were tested in the preliminary ...
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  Fast furfural formation from xylose using solid acid catalysts assisted by a microwave reactor 

  Gómez Millán, Gerardo; El Assal, Zouhair; Nieminen, Kaarlo; Hellsten, Sanna; Llorca Piqué, Jordi; Sixta, Herbert (2018-12-15)
  Article
  Accés obert

  The production of furfural (FUR) from xylose was carried out using sulfated zirconia (SZ) on cordierite, alumina on cordierite and commercially-available polymeric solid catalysts (Amberlyst DT and Nafion NR40) to provide ...
• Plasma surface modification of polymers for sensor applications 

  Alemán Llansó, Carlos; Fabregat Jové, Georgina; Armelín Diggroc, Elaine Aparecida; Buendía Morales, Jorge Juan; Llorca Piqué, Jordi (Royal Society of Chemistry (RSC), 2018-09-07)
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  Accés restringit per política de l'editorial

  Polymeric sensors play an increasingly important role in monitoring the environment we live in, providing relevant information for a host of applications. Among them, significant efforts have been made to fabricate polymeric ...
• Preparation and photocatalytic activity of Au/TiO2 lyogels for hydrogen production 

  Martínez, Lester; Benito Vélez, Mónica; Mata, Ignasi; Soler Turu, Lluís; Molins, Elies; Llorca Piqué, Jordi (2018-01-01)
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  Accés restringit per política de l'editorial
• 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)
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  Accés restringit per política de l'editorial
• Outstanding methane oxidation performance of palladium-embedded ceria catalysts prepared by a one-step dry ball-milling method 

  Danielis, Maila; Colussi, Sara; de Leitenburg, Carla; Soler Turu, Lluís; Llorca Piqué, Jordi; Trovarelli, Alessandro (2018-08-06)
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  Accés restringit per política de l'editorial

  By carefully mixing Pd metal nanoparticles with CeO2 polycrystalline powder under dry conditions, an unpredicted arrangement of the Pd-O-Ce interface is obtained in which an amorphous shell containing palladium species ...
• Graphene-supported palladium phosphide PdP2 nanocrystals for ethanol electrooxidation 

  Liu, Junfeng; Luo, Zhishan; Junshan, Li; Yu, Xiaoting; Llorca Piqué, Jordi; Nasiou, Déspina; Arbiol, Jordi; Meyns, Michaela; Cabot, Andreu (2019-03-01)
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  Accés restringit per política de l'editorial

  We present a procedure to produce single-phase PdP2 nanocrystals (NCs). The approach involves the reaction of palladium(II) acetylacetonate and hexamethylphosphoroustriamide to nucleate defective Pd5P2 nanoparticles that ...
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  Transforming a compact disk into a simple and cheap photocatalytic nanoreactor 

  Sans, Jordi; Soler Turu, Lluís; Domínguez Escalante, Montserrat; Llorca Piqué, Jordi (American Chemical Society (ACS), 2018-06-01)
  Article
  Accés obert

  A commercial compact disk has been converted into an effective photocatalytic nanoreactor by depositing a catalyst layer inside the nanochannels by means of an electrophoretic method. The resultant device has been tested ...
• 3D printing of structured nanotitania catalysts: a novel binder-free and low-temperature chemical sintering method 

  Elkoro Ugarteburu, Ander; Casanova Hormaechea, Ignasi (2018-09)
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  Accés restringit per política de l'editorial

  Pure titania nanoparticles were used successfully to manufacture 3D prints of monoliths using a high-precision paste extruder and a novel binder-free, low-temperature chemical sintering method. Nanoparticles become bonded ...
• Growth of Au-Pd2Sn nanorods via galvanic replacement and their catalytic performance on hydrogenation and sonogashira coupling reactions 

  Nafria Soler, Raquel; Luo, Zhishan; Ibañez, María; Llorca Piqué, Jordi (2018-09-11)
  Article
  Accés restringit per política de l'editorial

  Colloidal Pd2Sn and Au–Pd2Sn nanorods (NRs) with tuned size were produced by the reduction of Pd and Sn salts in the presence of size- and shape-controlling agents and the posterior growth of Au tips through a galvanic ...

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