División de Nanociencias y Materiales: Envíos recientes
Mostrando ítems 181-200 de 588
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Enhanced photocatalytic performance of zinc oxide nanostructures via photoirradiation hybridisation with graphene oxide for the degradation of triclosan under visible light: Synthesis, characterisation and mechanistic study
(Elsevier, 2018)"Modification of ZnO nanoparticles with graphene oxide (GO) was carried out, and the obtained hybrid photocatalyst was used for the photodegradation of triclosan (TCS), which is an endocrine disrupting compound. Three ... -
Compressibility, microcalorimetry, elastic properties and EELS of rhenium borides
(Elsevier, 2018)"Based on synchrotron X-ray diffraction on phase-pure samples, we revised the bulk moduli of the rhenium borides Re7B3 (B-0 (Re7B3) = 391(5) GPa) and orthorhombic Re3B (B-0 (orthorhombic Re3B) = 393(4) GPa) and determined ... -
Optimizing the oxidation level of PEDOT anode in air-PEDOT battery
(Elsevier, 2018)"We report an air-PEDOT battery where an optimized oxidation level of the PEDOT anode was performed using a simple dedoping process, resulting in batteries with high stability in air. Some PEDOT:PSS chains were reduced to ... -
Photocatalytic properties of BiOCl-TiO2 composites for phenol photodegradation
(Elsevier, 2018)"BiOCl-TiO2 composites were synthesized by sol-gel method; using two commercial BiOCl (P2600 and SB) with different BiOCl-TiO2 weight ratios. They were characterized by different techniques such as X-ray diffraction (XRD), ... -
Synthesis of carbon nano-onions doped with nitrogen using spray pyrolisis
(Elsevier, 2018)"In this work, we have synthesized carbon nano-onions (CNOs) doped with nitrogen and iron carbide core. These nanostructures were synthesized pyrolysing various alcohol-benzylamine reaction mixtures. These CNOs showed a ... -
Synthesis, characterization and perspectives of mesoporous silica-based nanoplatforms as drug delivery systems
(IEEE, 2018)"Mesoporous silica-based nanomaterials have been considered as potential carriers for drug delivery applications. Their main advantages are: i) tunable pore size, ii) high surface area, iii) functional surface chemistry ... -
A simple method for fabrication of antifuse WORM memories
(Elsevier, 2018)"A write-only-read-many (WORM) memory device was obtained by irradiating, with a commercial ultraviolet-ozone (UVO) lamp, the aluminium bottom electrode in an Al/AlOx-UVO/Al configuration. The formation of conductive paths ... -
Transformation process dependent magnetocaloric properties of annealed Ni50Mn18Cu7Ga25 ribbons
(Elsevier, 2017)"The properties related to magnetocaloric effect (MCE) of annealed Ni50Mn18Cu7Ga25 ribbons were studied in connection with their microstructural features and magnetostructural transformations. The differences in magnetic ... -
Chemical stability of superhard rhenium diboride at oxygen and moisture ambient environmental conditions prepared by mechanical milling
(The American Ceramic Society, 2018)"In this study, rhenium diboride (ReB2) was obtained by mechanosynthesis at 640 minutes of milling. The obtained ReB2 was stored at oxygen and moisture ambient environmental conditions to know the chemical stability. The ... -
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 ... -
Production of biodiesel from roasted chicken fat and methanol: free catalyst
(2014)"Transesterification reactions free of catalyst between roasted chicken fat with methanol were carried out in a batch reactor in order to produce biodiesel to temperatures from 120°C to 140°C. Parameters related to the ... -
Treatment of tequila vinasse and elimination of phenol by coagulation–flocculation process coupled with heterogeneous photocatalysis using titanium dioxide nanoparticles
(Taylor & Francis, 2018)"In this research, we are reporting the treatment of tequila vinasse by a coagulation–flocculation process coupled with heterogeneous photocatalysis using two types of titanium dioxide nanoparticles, i.e. (1) commercial ... -
Synthesis and magnetocaloric characterization of rapidly solidified ErMn2 melt-spun ribbons
(Elsevier, 2017)"We have fabricated melt-spun ribbons of nominal composition ErMn2 and studied their phase constitution and magnetocaloric (MC) properties by X-ray diffraction, scanning electron microscopy (SEM), magnetization and heat ... -
Tuning the dedoping process of PEDOT:PSS films using DBU-solvent complexes
(Elsevier, 2018)"In this study, we report a successful simple technique to dedope pristine PEDOT:PSS films at room temperature by dipping the films into 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) mixes with different solvents such as dimethyl ... -
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 ... -
Study of the presence of spherical deformations on the Al top electrode due to electroforming in rewritable organic resistive memories
(Royal Society of Chemistry, 2017)"Physical deformations are observed at the top electrodes during the electroforming process in Al/PEDOT: PSS + nitrogen doped multiwalled carbon nanotube (N-MWCNTs)/Al rewritable resistive memory devices. These physical ... -
Growth of Ni nanoclusters on irradiated graphene: A molecular dynamics study
(Royal Society of Chemistry, 2018)"We studied the soft landing of Ni atoms on a previously damaged graphene sheet by means of molecular dynamics simulations. We found a monotonic decrease of the cluster frequency as a function of its size, but few big ... -
Comparison of two synthesis methods on the preparation of Fe, N-Co-doped TiO2 materials for degradation of pharmaceutical compounds under visible light
(Elsevier, 2017)"In this work, we report the synthesis, characterization and photocatalytic evaluation of visible light active iron-nitrogen co-doped titanium dioxide (Fe3+-TiO2?xNx) nanostructured catalyst. Fe3+-TiO2?xNx was synthesized ... -
A rapid method for interfacial tension calculation between rock plug and crude oil based on contact angles, application for EOR
(Taylor & Francis, 2018)"Interfacial tension and contact angle are two specific important parameters to take decisions for enhanced oil recovery, for instance, proper chemicals to use for surface tension reduction, expected wettability of solids, ... -
Flexible rewritable organic memory devices using nitrogen-doped CNTs/PEDOT:PSS composites
(Elsevier, 2017)"Nonvolatile rewritable organic memory devices based on poly(3,4-ethylene dioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) and nitrogen doped multi-walled carbon nanotube (NCNT) nanocomposites were fabricated on glass ...