Now showing items 1-20 of 27

    • 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)
      Article
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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 ...
    • A SnS2 molecular precursor for conformal nanostructured coatings 

      Zuo, Yong; Li, Junshan; Yu, Xiaoting; Du, Ruifeng; Zhang, Ting; Wang, Xiang; Arbiol, Jordi; Llorca Piqué, Jordi; Cabot, Andreu (American Chemical Society (ACS), 2020-02-11)
      Article
      Open Access
      We present a simple, versatile, and scalable procedure to produce SnS2 nanostructured layers based on an amine/thiol-based molecular ink. The ratios amine/thiol and Sn/S, and the reaction conditions, are systematically ...
    • 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)
      Article
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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)
      Article
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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)
      Article
      Open Access
      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)
      Article
      Open Access
      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 ...
    • Monodisperse CoSn and NiSn nanoparticles supported on commercial carbon as anode for lithium- and potassium-ion batteries 

      Li, Junshan; Xu, Xijun; Yu, Xiaoting; Han, Xu; Zhang, Ting; Zuo, Yong; Zhang, Chaoqi; Yang, Dawei; Wang, Xiang; Luo, Zhishan; Arbiol, Jordi; Llorca Piqué, Jordi; Liu, Jun; Cabot Codina, Andreu (2020-01-07)
      Article
      Open Access
      Monodisperse CoSn and NiSn nanoparticles were prepared in solution and supported on commercial carbon black. The obtained nanocomposites were applied as anodes for Li- and K-ion batteries. CoSn@C delivered stable average ...
    • 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 ...
    • Phosphorous incorporation in Pd2Sn alloys for electrocatalytic ethanol oxidation 

      Yu, Xiaoting; Liu, Junfeng; Li, Junshan; Luo, Zhishan; Zuo, Yong; Xing, Congcong; Llorca Piqué, Jordi; Nasiou, Despina; Arbiol, Jordi; Cabot, Andreu (2020-11-01)
      Article
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      Direct ethanol fuel cells (DEFCs) show a huge potential to power future electric vehicles and portable electronics, but their deployment is currently limited by the unavailability of proper electrocatalysis for the ethanol ...
    • Selective methanol-to-formate electrocatalytic conversion on branched nickel carbide 

      Wang, Xiang; Han, Xu; Arbiol, Jordi; Llorca Piqué, Jordi; Cabot, Andreu (2020-11-16)
      Article
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      A methanol economy will be favored by the availability of low-cost catalysts able to selectively oxidize methanol to formate. This selective oxidation would allow extraction of the largest part of the fuel energy while ...
    • Selective methanol-to-formate electrocatalytic conversion on branched nickel carbide 

      Arbiol, Jordi; Llorca Piqué, Jordi; Cabot, Andreu (2020-08-06)
      Article
      Open Access
      A methanol economy will be favored by the availability of low-cost catalysts able to selectively oxidize methanol to formate. This selective oxidation would allow extraction of the largest part of the fuel energy while ...
    • SnS2/g-C3N4/graphite nanocomposites as durable lithium-ion battery anode with high pseudocapacitance contribution 

      Zuo, Yong; Xu, Xijun; Zhang, Chaoqi; Li, Junshan; Du, Ruifeng; Wang, Xiang; Han, Xu; Arbiol, Jordi; Llorca Piqué, Jordi; Liu, Jun; Cabot, Andreu (2020-07-20)
      Article
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      Tin disulfide is a promising anode material for Li-ion batteries (LIB) owing to its high theoretical capacity and the abundance of its composing elements. However, bare SnS2 suffers from low electrical conductivity and ...