ListarDivisión de Nanociencias y Materiales por tema "QUÍMICA"
Mostrando ítems 41-60 de 105
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Heterojunction of CuO nanoclusters with TiO2 for photo-oxidation of organic compounds and for hydrogen production
(American Institute of Physics, 2020)"Heterojunctions of small CuO nanoclusters (synthesized by radiolysis) with TiO2 (commercial P25) induced a photocatalytic activity under visible light irradiation in a wide range of wavelengths due to the narrow bandgap ... -
High temperature martensitic transformation and giant magnetocaloric effect in Ni40Co10Mn41Sn9 melt-spun ribbons
(Elsevier, 2018)"We report a large magnetic entropy change associated with a high-temperature martensitic transformation in Ni40Co10Mn41Sn9 (at. %) melt-spun ribbons. The ribbons underwent a first-order forward martensitic transition and ... -
High-pressure synthesis of β-Ir4B5 and determination of the compressibility of various iridium borides
(American Chemical Society, 2018)"A new iridium boride, beta-Ir4B5, was synthesized under high-pressure/high-temperature conditions of 10.5 GPa and 1500 degrees C in a multianvil press with a Walker-type module. The new modification beta-Ir4B5 crystallizes ... -
Hydrogen production by tailoring the brookite and Cu2O ratio of sol-gel Cu-TiO2 photocatalysts
(2017)"Cu-TiO2 photocatalysts were prepared by the sol-gel method. Copper loadings from, 1.0 to 5.0 wt % were used. The materials were annealed at different temperatures (from 400 to 600 °C) to study the formation of brookite ... -
In situ ion beam sputter deposition and X_ray photoelectron spectroscopy (XPS) of multiple thin layers under computer control for combinatorial materials synthesis
(Wiley, 2017)"Deposition of ultra_thin layers under computer control is a frequent requirement in studies of novel sensors, materials screening, heterogeneous catalysis, the probing of band offsets near semiconductor junctions and many ... -
Influence of the Valence of Iron on the NO Reduction by CO over Cu-Fe-Mordenite
(MDPI, 2023)A comprehensive study of the catalytic properties of the copper-iron binary system supported on mordenite, depending on the iron valence—CuFe2MOR and CuFe3MOR—was carried out, and redox ability has been considered as a ... -
Inhibition of Fungal Growth Using Modified TiO2 with Core@Shell Structure of Ag@CuO Clusters
(American Chemical Society, 2019)"The photocatalytic disinfection (PCD) properties of TiO2 have attracted attention in the research communities because the produced reactive oxygen species (ROS) allow destruction of different types of microbes, such as ... -
Interactions between pH, reactive species, and cells in plasma-activated water can remove algae
(Royal Society of Chemistry, 2022)"Lightning strikes cause nitrogen to dissolve in water and form reactive nitrogen and oxygen species, which form natural fertilizers that can be absorbed through plant roots. Such processes during rainstorm events can be ... -
Iron oxide nanoparticles (IONPs) with potential applications in plasmid DNA isolation
(2018)"DNA extraction and purification is considered a critical step in different biomedical applications such as genetic therapy and clinical diagnosis. This research describes the synthesis and characterization of functionalized ... -
Kinetic study of polydopamine sphere synthesis using TRIS: relationship between synthesis conditions and final properties
(Royal Society of Chemistry, 2023)The synthesis and characterization of polydopamine (PDA) using dopamine (DA) as the monomer and (hydroxymethyl)aminomethane (TRIS) as the oxidant is studied. The effect of temperature and TRIS concentration on the kinetics ... -
Large reversible magnetic entropy change in rapidly solidified Ni0.895Cr0.105MnGe1.05 melt-spun ribbons
(Elsevier, 2018)"The crystal structure, and magnetic and magnetocaloric properties of rapidly solidified Ni0.895Cr0.105MnGe1.05 melt-spun ribbons is reported. The ribbon samples crystallize into a single-phase hexagonal Ni2In-type structure ... -
Magnetic, thermal and magnetocaloric properties of Ni50Mn35In14.5B0.5 ribbons
(VBRI Press, 2017)"The structural, thermal, magnetic, and magnetocaloric properties of Ni50Mn35In14.5B0.5 melt-spun ribbons have been investigated using room-temperature x-ray diffraction (XRD), differential scanning calorimetry (DSC), and ... -
Magnetocaloric effect in ErNi2 melt-spun ribbons
(Elsevier, 2019)"ErNi2 ribbons were produced by rapid solidification using the melt spinning technique. Their structural, magnetic and magnetocaloric properties in the as-solidified state were studied by X-ray diffraction, scanning electron ... -
Magnetocaloric effect in ErNi2 melt-spun ribbons
(Elsevier, 2020)"ErNi2 ribbons were produced by rapid solidification using the melt spinning technique. Their structural, magnetic and magnetocaloric properties in the as-solidified state were studied by X-ray diffraction, scanning electron ... -
Material magnetocalorico basado en NdPrFe17 con propiedades mejoradas
(2015-09)"La presente invención está relacionada con un material magnetocalórico basado en cintas recién solidificadas de NdPrFe17 obtenidas por temple rotatorio. Este material tiene propiedades mejoradas en comparación con otros ... -
Metal decorated carbon nanotube aerogels from sodium polyacrylate crosslinking by divalent ions
(Elsevier, 2023)In this work sodium polyacrylate functionalized carbon nanotube aerogels were prepared from aqueous medium by simple ionic cross-linking using copper nitrate and calcium chloride as cation sources to obtain self-standing ... -
Modeling and optimization of a photocatalytic process: degradation of endocrine disruptor compounds by Ag/ZnO
(Elsevier, 2017)"Artificial neural network (ANN) modeling was applied to study the photocatalytic degradation of bisphenol-A. The operating conditions of the Ag/ZnO photocatalyst synthesis and its performance were simultaneously modeled ... -
Modelling adsorption isotherms of binary mixtures of carbon dioxide, methane and nitrogen
(2011)"A molecular-based approach for modelling mixtures adsorbed onto solid surfaces using the Statistical Associating Fluid Theory for Potentials of Variable Range (SAFT-VR) for three- and two-dimensional systems is presented ... -
Modified metallic oxides for efficient photocatalysis
(IntechOpen, 2018)"The aim of the chapter is to present modified materials like alternatives for conventional photocatalyst such as titanium dioxide. Discussion about silver/graphene nanoparticles-modified zinc oxide for the degradation of ... -
Nitrogen–phosphorus doped graphitic nano onion-like structures: experimental and theoretical studies
(Royal Society of Chemistry, 2021)"Onion-like graphitic structures are of great importance in different fields. Pentagons, heptagons, and octagons are essential features of onion-like graphitic structures that could generate important properties for diverse ...