Now showing items 1-19 of 19

  • A low temperature solid state reaction to produce hollow MnxFe3-xO4 nanoparticles as anode for lithium-ion batteries 

    Yu, Xiaoting; Zhang, C.; Luo, Zhishan; Liu, Junshan; Zuo, Yong; Jacas Biendicho, Jordi; Llorca Piqué, Jordi; Arbiol, Jordi; Morante Lleonart, Joan Ramon; Cabot, Andreu (2019-12-01)
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    Hollow MnxFe3-xO4 nanoparticles (NPs) with an average size of 15¿nm are produced from the solid state reaction of Fe3O4–Mn3O4 heterostructures. These heterostructures are synthesized through the seeded-growth of Mn3O4 ...
  • 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)
    Article
    Open Access
    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 ...
  • Co–Sn nanocrystalline solid solutions as anode materials in lithium-ion batteries with high pseudocapacitive contribution 

    Li, Junshan; Xu, Xijun; Luo, Zhishan; Zhang, Chaoqi; Zuo, Yong; Zhang, Ting; Tang, Pengyi; Infante Carrió, Maria F.; Arbiol, Jordi; Llorca Piqué, Jordi; Liu, Jun; Cabot, Andreu (2019-04-05)
    Article
    Open Access
    Co–Sn solid-solution nanoparticles with Sn crystal structure and tuned metal ratios were synthesized by a facile one pot solution-based procedure involving the initial reduction of a Sn precursor followed by incorporation ...
  • Crystallographic control at the nanoscale to enhance functionality:polytypic Cu2GeSe3 nanoparticles as thermoelectric materials 

    Ibáñez, María; Zamani, Reza; Li, Wenhua; Cadavid, Doris; Gorsse, Stéphane; Katcho, Nebil A.; Shavel, Alexey; López Martínez, Antonio Miguel; Morante Lleonart, Joan Ramon; Arbiol, Jordi; Cabot, Andreu (2012-11-14)
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    The potential to control the composition and crystal phase at the nanometer scale enable the production of nanocrystalline materials with enhanced functionalities and new applications. In the present work, we detail a ...
  • 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)
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    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, ...
  • 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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    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 ...
  • High temperature transformation of electrospun BaZrO3 nanotubes into nanoparticle chains 

    Obradors i Berenguer, Francesc Xavier; Puig Molina, Teresa; Tornero García, José Antonio; Cano Casas, Francesc; Calleja, Albert; Granados García, Javier A.J.; Ricart, Susana; Oro, Judith; Arbiol, Jordi; Mestres, Narcís; Carrillo, Ana Esther; Palmer, Xavier (2011-12)
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  • Hollow PdAg-CeO2 heterodimer nanocrystals as highly structured heterogeneous catalysts 

    Patarroyo, Javier; Delgado, Jorge A.; Merkoçi, Florind; Genç, Aziz; Sauthier, Guillaume; Llorca Piqué, Jordi; Arbiol, Jordi (Nature, 2019-12-01)
    Article
    Open Access
    In the present work, hollow PdAg-CeO2 heterodimer nanocrystals (NCs) were prepared and tested as catalysts for the selective hydrogenation of alkynes. These nanostructures combine for the first time the beneficial effect ...
  • Hydrogen photogeneration using ternary CuGaS2-TiO2-Pt nanocomposites 

    Caudillo Flores, Uriel; Kubacka, Anna; Berestok, Taisiia; Zhang, Ting; Llorca Piqué, Jordi; Arbiol, Jordi; Cabot, Andreu; Fernández García, Marcos (2020-01-13)
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    In this contribution we synthesized ternary CuGaS2-TiO2-Pt materials. The semiconductor components were surface functionalized with mercapto-alifatic acids to drive their linking and were platinized prior to or after contact ...
  • In situ electrochemical oxidation of Cu2S into CuO nanowires as a durable and efficient electrocatalyst for oxygen evolution reaction 

    Zuo, Yong; Liu, Yongpeng; Li, Junshan; Du, Ruifeng; Han, Xu; Zhang, Ting; Arbiol, Jordi; Jiménez Divins, Nuria; Llorca Piqué, Jordi; Guijarro, Néstor; Sivula, Kevin; Cabot Codina, Andreu (2019-08-15)
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    Development of cost-effective oxygen evolution catalysts is of capital importance for the deployment of large-scale energy-storage systems based on metal–air batteries and reversible fuel cells. In this direction, a wide ...
  • Mn3O4@CoMn2O4-CoxOy nanoparticles : partial cation exchange synthesis and electrocatalytic properties toward the oxygen reduction and evolution reactions 

    Luo, Zhishan; Irtem, Erdem; Ibañez, María; Nafria Soler, Raquel; Martí Sanchez, Sara; Genç, Aziz; de la Mata, María; Liu, Yu; Cadavid, Doris; Llorca Piqué, Jordi; Arbiol, Jordi; Andreu, Teresa; Morante Lleonart, Joan Ramon; Cabot Codina, Andreu (2016-07-13)
    Article
    Open Access
    Mn3O4@CoMn2O4 nanoparticles (NPs) were produced at low temperature and ambient atmosphere using a one -pot two-step synthesis protocol involving the cation exchange of Mn by Co in preformed Mn3O4 NPs. Selecting the proper ...
  • Multilayered hematite nanowires with thin-film silicon photovoltaics in an all-Earth-abundant hybrid tandem device for solar water splitting 

    Urbain, Félix; Tang, Pengyi; Smirnov, Vladimir; Welter, Katharina; Andreu, Teresa; Finger, Friedhelm; Arbiol, Jordi; Morante Lleonart, Joan Ramon (2019-04-05)
    Article
    Open Access
    The concept of hybrid tandem device structures that combine metal oxides with thin-film semiconducting photoabsorbers holds great promise for large-scale, robust, and cost-effective bias-free photoelectrochemical water ...
  • NiSn bimetallic nanoparticles as stable electrocatalysts for methanol oxidation reaction 

    Li, Junshan; Luo, Zhishan; Zuo, Yong; Liu, Junfeng; Zhang, Ting; Tang, Pengyi; Arbiol, Jordi; Llorca Piqué, Jordi; Cabot Codina, Andreu (2018-10-15)
    Article
    Open Access
    Nickel is an excellent alternative catalyst to high cost Pt and Pt-group metals as anode material in direct methanol fuel cells. However, nickel presents a relatively low stability under operation conditions, even in ...
  • 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)
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    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 ...
  • Solution-growth and optoelectronic properties of ZnO:Cl@ZnS core-shell nanowires with tunable shell thickness 

    Fan, Jiandong; Fábrega, Cristian; Zamani, Reza; Shavel, Alexey; Güell, Frank; Carrete, Alex; Andreu, Teresa; López Martínez, Antonio Miguel; Morante Lleonart, Joan Ramon; Arbiol, Jordi; Cabota, Andreu (2013-04-05)
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    Arrays of vertically aligned ZnO:Cl@ZnS core–shell nanowires (NWs) were grown by a facile low-cost, high-yield and seed-free two-step process. These NWs were used to demonstrate the potential of 3D electrodes based on ...
  • Solution-processed ultrathin SnS 2 -Pt nanoplates for photoelectrochemical water oxidation 

    Zuo, Yong; Liu, Yongpeng; Li, Junshan; Du, Ruifeng; Yu, Xiaoting; Xing, Congcong; Zhang, Ting; Yao, Liang; Arbiol, Jordi; Llorca Piqué, Jordi; Sivula, Kevin; Guijarro, Néstor; Cabot Codina, Andreu (2019-02-20)
    Article
    Open Access
    Tin disulfide (SnS2) is attracting significant interest due to the abundance of its elements and its excellent optoelectronic properties in part related to its layered structure. In this work, we detail the preparation of ...
  • Superior methanol electrooxidation performance of (110)-faceted nickel polyhedral nanocrystals 

    Li, Junshan; Zuo, Yong; Liu, Junfeng; Du, Ruifeng; Infante Carrió, Maria F.; Tang, Pengyi; Arbiol, Jordi; Llorca Piqué, Jordi; Cabot Codina, Andreu (Royal Society of Chemistry (RSC), 2019-10-14)
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    We present the synthesis of (110)-faceted nickel polyhedral nanocrystals (NCs) and their characterization as electrocatalysts for the methanol oxidation reaction (MOR). Ni NCs were produced at 180 °C through the reduction ...
  • Thermoelectric properties of semiconductor-metal composites produced by particle blending 

    Liu, Yu; Cadavid, Doris; Ibañez, Maria; Ortega, Silvia; Marti-Sanchez, Sara; Dobrozhan, Oleksandr; Kovalenko, Maksym V.; Arbiol, Jordi; Cabot, Andreu (American Institute of Physics Publising LLC, 2016-10-01)
    Article
    Open Access
    In the quest for more efficient thermoelectric material able to convert thermal to electrical energy and vice versa, composites that combine a semiconductor host having a large Seebeck coefficient with metal nanodomains ...
  • Upscaling high activity oxygen evolution catalysts based on CoFe2O4 nanoparticles supported on nickel foam for power-to-gas electrochemical conversion with energy efficiencies above 80% 

    Urbain, Félix; Du, Ruifeng; Tang, Pengyi; Smirnov, Vladimir; Andreu, Teresa; Finger, Friedhelm; Arbiol, Jordi; Cabot, Andreu; Morante Lleonart, Joan Ramon (2019-12-15)
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    We investigate cobalt ferrite nanoparticles (NPs) supported on large-scale electrodes as oxygen evolution reaction (OER) catalysts. Colloidal CoFe2O4 NPs were loaded on low-cost and high surface area nickel foam (NF) ...