Browsing by Author "Cabot, Andreu"
Now showing items 1-20 of 37
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A direct Z-scheme for the photocatalytic hydrogen production from a water ethanol mixture on CoTiO3/TiO2 heterostructures
(2021-01-01)
Article
Open AccessPhotocatalytic 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 high conductivity 1D p–d conjugated metal–organic framework with efficient polysulfide trapping-diffusion-catalysis in lithium–sulfur batteries
(John Wiley & sons, 2022-03-10)
Article
Open AccessThe shuttling behavior and sluggish conversion kinetics of the intermediate lithium polysulfides (LiPS) represent the main obstructions to the practical application of lithium–sulfur batteries (LSBs). Herein, a 1D p–d ... -
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 ... -
Activating the lattice oxygen oxidation mechanism in amorphous molybdenum cobalt oxide nanosheets for water oxidation
(2022-02-21)
Article
Open AccessThe cost-effective deployment of several key energy technologies, such as water electrolysis, CO2 electroreduction and metal–air batteries, relies on the design and engineering of cost-effective catalysts able to accelerate ... -
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 ... -
Bottom-up processing of thermoelectric nanocomposites from colloidal nanocrystal building blocks: the case of Ag2Te–PbTe
(2012-11-28)
Article
Restricted access - publisher's policyNanocomposites 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
(Royal Society of Chemistry, 2012-12-15)
Article
Restricted access - publisher's policyCopper-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
(2019-05-01)
Article
Open AccessNickel 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
(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-performance thermoelectric nanocomposites from nanocrystal building blocks
(Nature Publishing Group, 2016-03-07)
Article
Open Accesshe 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
(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 ... -
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 ... -
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 ... -
Nickel iron diselenide for highly efficient and selective electrocatalytic conversion of methanol to formate
(2021-02-01)
Article
Open AccessThe electro-oxidation of methanol to formate is an interesting example of the potential use of renewable energies to add value to a biosourced chemical commodity. Additionally, methanol electro-oxidation can replace the ...
