Browsing by Author "Arbiol, Jordi"
Now showing items 1-20 of 40
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A low temperature solid state reaction to produce hollow MnxFe3-xO4 nanoparticles as anode for lithium-ion batteries
(2019-12-01)
Article
Open AccessHollow 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
(American Chemical Society (ACS), 2020-02-11)
Article
Open AccessWe 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 ... -
Atomically dispersed Fe in a C2N based catalyst as a sulfur host for efficient lithium–sulfur batteries
(2021-02-04)
Article
Open AccessLithium–sulfur batteries (LSBs) are considered to be one of the most promising next generation energy storage systems due to their high energy density and low material cost. However, there are still some challenges for the ... -
Colloidal Ni-Co-Sn nanoparticles as efficient electrocatalysts for the methanol oxidation reaction
(Royal Society of Chemistry (RSC), 2018-01-01)
Article
Open AccessThe 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
(2019-04-05)
Article
Open AccessCo–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
(2012-11-14)
Article
Restricted access - publisher's policyThe 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 ... -
Effect of the annealing atmosphere on crystal phase and thermoelectric properties of copper sulfide
(American Chemical Society, 2021-03-01)
Article
Open AccessCu2–xS has become one of the most promising thermoelectric materials for application in the middle-high temperature range. Its advantages include the abundance, low cost, and safety of its elements and a high performance ... -
Enhanced thermoelectric performance of n-type bi2se3 nanosheets through sn doping
(2021-07-14)
Article
Open AccessThe cost-effective conversion of low-grade heat into electricity using thermoelectric devices requires developing alternative materials and material processing technologies able to reduce the currently high device manufacturing ... -
Fe3O4@NiFexOy nanoparticles with enhanced electrocatalytic properties for oxygen evolution in carbonate electrolyte
(2016-11-02)
Article
Restricted access - publisher's policyThe 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
(2019-03-01)
Article
Open AccessWe 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
(2011-12)
Article
Restricted access - publisher's policy -
Hollow PdAg-CeO2 heterodimer nanocrystals as highly structured heterogeneous catalysts
(Nature, 2019-12-01)
Article
Open AccessIn 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
(2020-01-13)
Article
Open AccessIn 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
(2019-08-15)
Article
Open AccessDevelopment 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
(2016-07-13)
Article
Open AccessMn3O4@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 ... -
Molecular engineering to introduce carbonyl between nickel salophen active sites to enhance electrochemical CO2 reduction to methanol
(Elsevier, 2022-10-05)
Article
Open AccessThe electrochemical reduction of CO2 to methanol is a potentially cost-effective strategy to reduce the concentration of this greenhouse gas while at the same time producing a value-added chemical. Herein, we detail a ... -
Molecular engineering to tune the ligand environment of atomically dispersed nickel for efficient alcohol electrochemical oxidation
(2021-09-16)
Article
Open AccessAtomically dispersed metals maximize the number of catalytic sites and enhance their activity. However, their challenging synthesis and characterization strongly complicates their optimization. Here, the aim is to demonstrate ... -
Monodisperse CoSn and NiSn nanoparticles supported on commercial carbon as anode for lithium- and potassium-ion batteries
(2020-01-07)
Article
Open AccessMonodisperse 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
(2019-04-05)
Article
Open AccessThe 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 ... -
NbSe2 meets C2N: a 2D-2D heterostructure catalysts as multifunctional polysulfide mediator in ultra-long-life lithium–sulfur batteries
(2021-09-23)
Article
Open AccessThe shuttle effect and sluggish conversion kinetics of lithium polysulfides (LiPS) hamper the practical application of lithium–sulfur batteries (LSBs). Toward overcoming these limitations, herein an in situ grown C2N@NbSe2 ...
