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Showing 1 to 18 of 18 for “"nanoplates"”.
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Size-dependent Electroelastic Properties of Piezoelectric Nanoplates
With the development of nanotechnology, piezoelectric nanostructures have attracted a surge of interests in research communities for the potential applications as transistors, sensors, actuators, resonators and energy harvesters in nanoelectromechanical systems (NEMS) due to their high …
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Synthesis and Applications of Copper Nanowires and Nanoplates
… to elucidate the growth mechanism of Cu nanoplates. Cu nanoplates have also been used in electronic and catalytic applications, yet their growth is not as well-understood as Cu nanowires. Thus, before they can be produced at quantities similar to that of Cu nanowires, we need to …
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From Nanoplates to Bottlebrushes: Engineering Thermodynamics in Polymer Nanocomposites
… PNCs through two distinctive systems: (1) nanoplates grafted with polymers in a linear diblock copolymer matrix and (2) bare nanospheres in a core-shell bottlebrush matrix. The investigation advances the understanding of nanoparticle dispersion in linear diblock copolymer matrices and …
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Vibrational Imaging at the Nanoscale: Surpassing the Diffraction Limit Using Tip-Enhanced Raman Spectroscopy
… materials. TERS is used in conjunction with gold nanoplates to serve as an ultraflat substrate that can possibly be functionalized. TERS investigation of monolayers adsorbed onto gold nanoplates such as alkoxy substituted azobenzene thiol and 4-nitrothiophenol is conducted. The monolayer is probed …
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DEVELOPMENT AND APPLICATION OF SMART CARBON-BASED COATINGS FOR MULTIFUNCTIONAL SENSING OF CEMENTITIOUS STRUCTURES
… integrity. Thus, carbon black, graphite nanoplates, natural graphite, kish graphite, biochar and carbon nanotubes were systematically evaluated in this study for their electrical, physical and mechanical influence on cement. Carbon black emerged as the most suitable option due to low cost …
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LOW-DIMENSIONAL CHALCOGENIDE BASED THERMOELECTRIC COMPOSITES
… On the other hand, Bi2Se3, Bi2Te3, Sb2Te3 nanoplates and their derivatives were also successfully fabricated. After nanostructures were obtained, we further combine them with polymers such as polyvinylidene fluoride to guarantee their flexibility in thermoelectric devices. Here, the …
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Transformations in inorganic nanomaterials: role of defects, surfaces, and size
… consisting of complex assemblies of hexagonal Au nanoplates and Au nanospheres affects their localized surface plasmon resonance properties. . We find using electrodynamic simulations combined with correlated electron microscopy/optical spectroscopy at the single-construct level that the nature …
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Síntese e caracterização de nanoestruturas de óxido de zinco por via úmida
… morphologies, such as nanorods, nanoflowers, nanoplates. The XRD results of ZnO samples indicated that the synthesized ZnO nanoparticles had the pure wurtzite structure (zincite) and the mixed oxide sample has two phases, zincite and tenorite. All the materials are mesoporous and the specific …
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Controlling Cocontinuous Polymer Blends with Nanofillers Jammed at the Interface
… and the different polarities of graphene nanoplates determine the different localization of these nanofillers in the polymer blends. Nanofiller localization in one polymer phase or at the interface is explained by the system’s tendency to minimize its free energy. Wetting coefficients, …
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Effects of metal ion–ligand interactions on the synthesis of metal nanostructures with controlled morphology
… multilayered Pd nanosheets, Pt nanocubes, and Pd nanoplates with controlled morphology were synthesized. The adsorption of metal intermediates and ligands on Pd surfaces was studied using density-functional theory (DFT) calculations. The effects of metal ion–ligand interactions on the formation …
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Effect of Oxidation of Graphene on Agglomeration and the Mechanical Properties of Thermosetting Resins
… by adding 0.1 weight percent or greater of GO nanoplates. Computed tomography revealed the presence of previously unreported fissures in the GO samples, which were not seen in the neat or G-doped epoxy samples. These fissures appeared to inhibit crack propagation resulting in the slow, tearing …
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Hydrogen Cryosorption of Micro-Structured Carbon Materials
… surface areas of 875 m2/g and the graphene nanoplates with a specific surface area of 700 m2/g, were decorated with palladium nanoparticles in different compositions. The growth and distribution of doped palladium particles in the carbon substrates were studied, and their effects on porous …
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Polymer- and Bioadditives-Assisted Synthesis and Surface Modification of Anisotropic Gold Nanocrystals
… to achieve small dimensions of monodisperse gold nanoplates (AuNPLs) with edge lengths between 50 and 81 nm by adjusting reagent concentrations and evaluating the use of PVP during the growth stage of the synthesis which increases nanoplate monodispersity and provides their long-term shape …
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Improvement of Thermoelectric Properties Through Manipulation of their Microstructure: the Effect of Graphene Reinforcement
… properties by reinforcement with graphene nanoplates (GNPs). To the best of our knowledge, there is no specific report in the open literature to determine the reinforcing effects of graphene nanofillers (e.g., GNPs) on thermoelectric products. There is a lack of a comprehensive assessment …
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METAL NANOMATERIALS: SYNTHESIS, DESIGN, AND APPLICATIONS
… the synthesis of intermetallic Pt1-xPdxBi nanoplates with controllable compositions, including Pt0.5Pb0.5Bi, Pt0.25Pd0.75Bi, and Pt0.75Pd0.25Bi via the sequential complexation-reduction-sorting method. Furthermore, we used palladium (Pd) metal nanoparticles (NPs) as a photocatalyst to …
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Nanoparticle Encapsulation and Aggregation Control in Anti-reflection Coatings and Organic Photovoltaics
… nanoparticles, such as anisotropic silver nanoplates (AgNPs), provides large local field enhancements and in coupling with the active layer, substantial optical absorption improvements can be realized. AgNPs were first integrated into the hole-transport layer (PEDOT:PSS) by ISAM deposition. …
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Physics-informed neural networks (PINNs) in nonlocal elasticity [Reti neurali Informate dalla fisica (PINNs) nell’elasticità non locale]
Questa tesi esamina l’integrazione di nanomateriali e nanostrutture sostenibili nei sistemi Micro- e Nano-Elettro-Meccanici (MEMS/NEMS), con particolare attenzione allo sviluppo di formulazioni continue non locali per strutture di piccola scala. Vengono introdotti i concetti fondamentali …