Now showing items 1-20 of 24

    • 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)
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      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 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 ...
    • 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 ...
    • Bottom-up processing of thermoelectric nanocomposites from colloidal nanocrystal building blocks: the case of Ag2Te–PbTe 

      Cadavid, Doris; Ibáñez, María; Gorsse, Stéphane; López Martínez, Antonio Miguel; Cirera, Albert; Morante Lleonart, Joan Ramon; Cabot, Andreu (2012-11-28)
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      Nanocomposites are highly promising materials to enhance the efficiency of current thermoelectric devices. A straightforward and at the same time highly versatile and controllable approach to produce nanocomposites is ...
    • Colloidal synthesis and thermoelectric properties of Cu2SnSe3 nanocrystals 

      Ibáñez, María; Cadavid, Doris; Anselmi-Tamburini, Umberto; Zamani, Reza; Gorsse, Stéphane; Li, Wenhua; López Martínez, Antonio Miguel; Morante Lleonart, Joan Ramon; Albiol, Jordi; Cabot, Andreu (Royal Society of Chemistry, 2012-12-15)
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      Copper-based selenides are attracting increasing interest due to their outstanding optoelectronic and thermoelectric properties. Herein a novel colloidal synthetic route to prepare Cu2SnSe3 nanocrystals with controlled ...
    • Compositionally tuned Ni x Sn alloys as anode materials for lithium-ion and sodium-ion batteries with a high pseudocapacitive contribution 

      Li, Junshan; Xu, Xijun; Luo, Zhishan; Zhang, Chaoqi; Yu, Xiaoting; Zuo, Yong; Albiol, Jordi; Llorca Piqué, Jordi; Cabot, Andreu (2019-05-01)
      Article
      Open Access
      Nickel tin alloy nanoparticles (NPs) with tuned composition NixSn (0.6¿=¿x¿=¿1.9) were synthesized by a solution-based procedure and used as anode materials for Li-ion batteries (LIBs) and Na-ion batteries (SIBs). Among ...
    • 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-performance thermoelectric nanocomposites from nanocrystal building blocks 

      Ibañez, Maria; Zhishan, Luo; Aziz, Genc; Piveteau, Laura; Ortega, Silvia; Cadavid, Doris; Dobrozhan, Oleksandr; Yu, Liu; Nachtegaal, Maarten; Zebarjadi, Mona; Arbio, Jordi; Kovalenko, Maksym V.; Cabot, Andreu (Nature Publishing Group, 2016-03-07)
      Article
      Open Access
      he efficient conversion between thermal and electrical energy by means of durable, silent and scalable solid-state thermoelectric devices has been a long standing goal. While nanocrystalline materials have already led to ...
    • 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 ...
    • 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)
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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 

      Arbiol, Jordi; Llorca Piqué, Jordi; Cabot, Andreu (2020-08-06)
      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 

      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 ...
    • 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)
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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 ...
    • Solution-based synthesis and processing of Sn- and Bi-doped Cu3SbSe4 nanocrystals, nanomaterials and ring-shaped thermoelectric generators 

      Liu, Yu; García, Gregorio; Ortega, Silvia; Cadavid, Doris; Palacios, Pablo; Lu, Yinju; Ibáñez, María; Xi, Lili; De Roo, Jonathan; López Martínez, Antonio Miguel; Martí-Sánchez, Sara; De la Mata, María; Albiol, Jordi; Cabot, Andreu (Royal Society of Chemistry, 2017)
      Article
      Open Access
      Copper-based chalcogenides that comprise abundant, low-cost, and environmental friendly elements are excellent materials for a number of energy conversion applications, including photovoltaics, photocatalysis, and ...
    • Stability of Pd3Pb nanocubes during electrocatalytic ethanol oxidation 

      Yu, Xiaoting; Luo, Zhishan; Zhang, Ting; Tang, Pengyi; Li, Junshan; Wang, Xiang; Llorca Piqué, Jordi; Arbiol, Jordi; Liu, Junfeng; Cabot, Andreu (American Chemical Society (ACS), 2020-02-07)
      Article
      Open Access
      Intermetallic Pd3Pb nanocrystals with controlled size and cubic geometry exposing (100) facets are synthesized and tested as electrocatalysts for ethanol oxidation in alkaline media. We observe the ethanol oxidation activity ...
    • Surface chemistry and nano-/microstructure engineering on photocatalytic In2S3 nanocrystals 

      Berestok, Taisiia; Guardia Girós, Pablo; Blanco Portals, Javier; Estradé, Sònia; Llorca Piqué, Jordi; Peiró, Francesca; Cabot, Andreu; Brock, Stephanie L. (2018-06-05)
      Article
      Open Access
      Colloidal nanocrystals (NCs) compete with molecular catalysts in the field of homogenous catalysis, offering easier recyclability and a number of potentially advantageous functionalities, such as tunable band gaps, plasmonic ...
    • 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
      Open Access
      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 ...