Listar por tema "Nanoparticles"
Mostrando ítems 1-19 de 19
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A relationship between structural and electronic order–disorder effects and optical properties in crystalline TiO2 nanomaterials
Royal Society of Chemistry (2015)The focus of this paper is on the analysis of the structural and electronic order–disorder effects at long, medium and short ranges of titanium dioxide (TiO2) nanoparticles synthesized by the sol–gel process followed by ... -
An Experimental and Computational Study of β-AgVO3: Optical Properties and Formation of Ag Nanoparticles
ACS Publications (2016-05-19)This article aims to gather together in one place and for first time the formation process of Ag nanoparticles (NPs) on β-AgVO3 crystals, driven by an accelerated electron beam from an electronic microscope under high ... -
Characterization of silica–water nanofluids dispersed with an ultrasound probe: A study of their physical properties and stability
Elsevier (2012)The stability and agglomeration state of nanofluids are key parameters for their use in different applications. Silica nanofluids were prepared by dispersing the nanoparticles in distilled water using an ultrasonic probe, ... -
Development of a low-medium temperature T-history setup for the thermal storage characterization of non-homogeneous mixtures containing PCMs
Elsevier (2023-12-25)More attention has been paid to thermal energy storage in recent years for its advantages in heating and cooling applications to foster the use of renewable energies. As part of the design of new thermal energy storage ... -
Dielectric control of spin in semiconductor spherical quantum dots
American Institute of Physics (2008)The ground state electronic configuration of semiconductor spherical quantum dots populated with different numbers of excess electrons, for different radii and dielectric constants of the embedding medium is calculated ... -
Fingerprints of Short-Range and Long-Range Structure in BaZr1−xHfxO3 Solid Solutions: An Experimental and Theoretical Study
Royal Society of Chemistry (2015)A microwave-assisted hydrothermal method was applied to synthesize BaZr1xHfxO3, (BZHO) solid solutions at a low temperature, 140 1C, and relatively short times, 160 min. The detailed features of the crystal structure, ... -
Influence of Particle Size on the Drying Kinetics of Single Droplets Containing Mixtures of Nanoparticles and Microparticles: Modeling and Pilot-Scale Validation
Taylor & Francis (2013-05-03)The particle size of the primary particles is an important parameter influencing the drying behavior of droplets. In this work, the influence of particle size on the drying kinetics and grain properties was analyzed for ... -
Macro- and nanoscale self-assembled amino acid derivatives as reduction-sensitive and photoactive materials
Universitat Jaume I (2022-05-23)Amino acid-based systems are attractive for biomedical applications given their high biocompatibility and functionality. Amino acids self-assemble into various structures ranging from a few nanometers to hundreds of microns ... -
New insights on the structural and optical properties of Ce–Ti mixed oxide nanoparticles doped with praseodymium
Royal Society of Chemistry (2010-10-26)Nanostructured, doped Ce–Ti mixed oxides are potential materials for several applications such as pigments, catalysis, fuel cells, optical films, and gas sensors. In this article, a series of Pr-doped Ce–Ti oxides have ... -
Numerical formulation of physical phenomena in nanoparticles for their application to nanofluids
Universitat Jaume I (2021-06-25)This thesis presents a numerical formulation grounded on continuum physics to study different coupled phenomena, such as thermomechanics and high-frequency thermoelectricity, in nanoparticles for their use in nanofluids ... -
On the reversed crystal growth of BaZrO3 decaoctahedron: shape evolution and mechanism
Royal Society of Chemistry (2011)BaZrO3 (BZO) nanoparticles were nucleated, grown and subsequently self-assembled into a 3D decaoctahedronal architecture via a microwave-assisted hydrothermal (MAH) method. X-Ray diffraction (XRD), field emission scanning ... -
Preparation of feedstocks from nano/submicron-sized TiO2 particles to obtain photocatalytic coatings by atmospheric plasma spraying
Elsevier (2014-12)Atmospheric plasma spraying (APS) has been proved useful in obtaining TiO2 coatings with effective photocatalytic activity. However, the influence of feedstock characteristics on photocatalytic activity has hardly been ... -
Probing Lithiation Kinetics of Carbon-Coated ZnFe2O4 Nanoparticle Battery Anodes
American Chemical Society (2014-03)The investigation of the lithiation-delithiation kinetics of anodes comprising carbon-coated ZnFe2O4 nanoparticles is reported in here. The study confirmed that, as occurring with other conversion electrodes, lithiation ... -
Síntesis de un pigmento rojo a partir de nanopartículas de oro
Sociedad Española de Cerámica y Vidrio (2012-03)A simple method of synthesising red pigments for ceramic glazes, based on gold nanoparticles protected by a refractory oxide capsule, was developed. Gold nanoparticles of an appropriate size were obtained by reaction in ... -
SnO2 nanocrystals synthesized by microwave-assisted hydrothermal method: towards a relationship between structural and optical properties
Springer Netherlands (2012-02)The exploration of novel synthetic methodologies that control both size and shape of functional nanostructure opens new avenues for the functional application of nanomaterials. Here, we report a new and versatile approach ... -
Study of nanoparticles based on Cr and Sb doped TiO2 as pigments for inkjet technology applications
Elsevier (2015-05)Nanoparticles of the ceramic pigment with composition Ti0.97Cr0.015Sb0.015O2 were prepared by microemulsion-mediated solvothermal method at 180 ºC. Anatase or rutile single phase was obtained depending on the synthesis ... -
Superparamagnetic [sic] nanofibers by electrospinning
Royal Society of Chemistry (2016)The preparation of superparamagnetic thin fibers by electrospinning dispersions of nanosized magnetite (Fe3O4, SPIO/USPIO) in a PMMA/PEO polymer solution is reported. The saturation magnetization and coercivity were not ... -
Synthesis of wurtzite ZnS nanoparticles using the microwave assisted solvothermal method
Elsevier (2013-04)In this article, we report the development of an efficient and rapid microwave assisted solvothermal (MAS) method to prepare wurtzite ZnS nanoparticles at 413 K using different precursors. The materials obtained were ... -
Synthesis, deposition and crystal growth of CZTS nanoparticles onto ceramic tiles
Elsevier (2015-09)The work presents a simple solvothermal method for CZTS nanoparticles preparation using hexadecylamine (HDA) as a capping agent. The as-prepared CZTS powder was deposited as ink using Doctor Blade technique onto ceramic ...