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Showing 1 to 20 of 72 for “"metallic nanoparticles"”.
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Atomic Structure Study of Metallic Nanoparticles
Made available in DSpace on 2017-07-06T18:48:50Z (GMT). No. of bitstreams: 3 Ji_Li_MS.pdf: 6656305 bytes, checksum: 5b18c54244ccb562930faec4c69c39f2 (MD5) Ji_Li_MS_ABS.pdf: 10304 bytes, checksum: 10f22d26ec0cdaaed80918c03176e497 (MD5) license.txt: 4813 bytes, checksum: …
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Atomistic simulations of semiconductor and metallic nanoparticles
Semiconductor and metallic nanoparticles have recently become an attractive area of intensive research due to their unique and diverse properties, that differ significantly from bulk materials. With a wide range of applications and potential uses in nanoelectronics, catalysis, medicine, chemistry …
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Impact of metallic nanoparticles on anaerobic digestion
… MISSOURI-COLUMBIA AT AUTHOR'S REQUEST.] Silver nanoparticles (AgNPs) have been applied in various consumer products while nano zero valent iron (NZVI) has been proposed for site remediation and industrial wastewater treatment. In batch anaerobic digestion systems, AgNPs at the concentration of …
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Dynamics of plasmon-induced hot carriers in metallic nanoparticles
… method to larger systems and make it capable for nanoparticles of different shapes, we parameterize the electron-electron interaction, and produce nearly the same dynamics process fantastically compared with that under calculations with exact transition matrix elements, indicat- ing its validity …
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Structural Characterization and Phase Behavior in Supported Metallic Nanoparticles
… cluster precursor, PtRu5C(CO)16, into a bimetallic nanoparticle has been followed by using in-situ extended X-ray absorption fine structure spectroscopy, temperature programmed desorption, and scanning-transmission electron microscopy. The data reveal that during activation in hydrogen the …
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Synthesis and characterization of metallic nanoparticles with photoactivated surface chemistries
During recent decades metallic nanoparticles have been found very interesting due to their unique characteristics which make them suitable for different applications. In this research, for the very first time, we tried to perform selective surface photo activation chemistry on the targeted facets …
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Analisys and Syntesys of Thin-Film Solar Cells with Metallic Nanoparticles
… waves at optical frequencies from metallic nanoparticles of arbitrary shape. Moreover, the optimization of a thin solar cell with metallic nanoparticles is performed by means of Genetic Algorithms and the Finite Element Method. The goal is to design a solar cell which shows good …
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Extraordinary light-induced local field, angular momentum and force near metallic nanoparticles
The intense local field induced near metallic nanostructures provides strong enhancements for surface enhanced spectroscopies, a major focus of plasmonics research over the past decade. Here we show several different nanoantennas for SEIRA detection, which exhibit an order of magnitude greater …
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Factors influencing the uptake and fate of metallic nanoparticles in filter-feeding bivalves
Metallic nanoparticles (MetNPs) with unique nanoscale properties, including novel optical behavior and superparamagnetism, are continually being developed for biomedical and industrial applications. In certain biomedical applications where extended blood half-lives are required, MetNPs are …
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Nucleation Control in Size and Dispersity in Metallic Nanoparticles: The Prominent Role of Particle Aggregation
… and growth on the final size and dispersity in metallic nanoparticle systems. Aggregative nucleation functions are determined for the first time for three nanocrystal systems, namely gold: Au), silver: Ag) and bismuth: Bi). These nucleation functions give critical information that correlates …
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Synthesis and Characterisation of Metallic Nanoparticles from Medicinal Plant Extracts and their Application in combating Antibiotic-Resistant Bacterial Pathogens
… to combating ABR bacteria by synthesising metallic nanoparticles (MNPs) from medicinal plants. Integrating nanoparticle-based strategies with medicinal plants demonstrates considerable promise in addressing RTIs. Methodology: The present study investigated the extracts of Spirostachys …
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Development and Efficient Implementation of Electron-Hole Interaction Kernel for Investigation of Electronic Excitations in Semiconductor and Metallic Nanoparticles
… electron-correlation in semiconductor or metallic nanoparticles. These systems are computationally challenging due to the size of the systems, the number of electrons per atom, and the degeneracy of the particle-hole states. Three methods presented here are aimed at providing novel …
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Koloidinių tirpalų sudarytų iš polimerinių ir metalinių nanodalelių tyrimai /
Polymeric and metallic nanoparticles are extensively used in wide range of scientific areas. High interest in nanoparticles is due to new and unusual properties of materials that occur only at nanoscale. Polyaniline (PANI) is one of the most extensively studied conducting polymer. Silver …
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Optical Characterization and Evaluation of Dye-Nanoparticle Interactions
… Initially descriptive of light interactions with metallic films, research has branched out to encompass the nanoparticles as well. Generation of the maximum surface plasmon resonance for nanostructures is based on the resonance condition that the oscillatory behavior of the 'free' electrons on the …
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Structure, Rheology and Optical Properties of Plasmonic Fluids
… bromide have the ability to self assemble with metallic nanoparticles to form a corona or a double-layer vesicular structure. These structures upon further interaction with wormlike micelle fragments are hypothesized to form micelle-nanoparticle elastic networks. In this dissertation, solution …
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Quantum Plasmonics: A first-principles investigation of metallic nanostructures and their optical properties
… electronic structure and optical properties of metallic nanoparticles are theoretically investigated front first principles. An efficient implementation of time-dependent density functional theory allows a fully quantum mechanical description of systems large enough to display collective …
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Effect of silver nanoparticles on planktonic and biofilm cell growth
Silver nanoparticles (Ag NPs) are one of the most widely used nanoparticles, most notably serving as an antimicrobial agent for sanitization and medical purposes. Despite of their widespread use, little was known about the environmental effect of silver nanoparticles. This research focused on the …
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Biasing Plasmonic Nanocavities
… can be optically tracked in real time using metallic nanoparticles deposited on the sample, whose plasmonic coupling with the bottom electrode is modulated by the actuation mechanism. The second method used to construct nanoscale junctions is more appropriate for molecular junctions, and is …
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Bio-Inspired Assembly of Nanomaterials for Applications on Nanoelectronics and Biosensors
… an impact is that every nanomaterial, such as metallic nanoparticles (NPs), quantum dots (QDs), carbon nanotubes (CNTs), and magnetic nanoparticles has unique physical and chemical properties that can be used for various applications. For practical use of nanomaterials in various applications, …
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Green synthesis, characterization and laser irradiation of silver nanoparticles and its bimetallic nanoparticles
Green synthesis of metallic nanoparticles offered an alternative and eco-friendly method for fabricating nanoparticles compared to chemical and physical methods. The current study aimed to manipulate silver nanoparticles (Ag NPs) synthesized in Murraya koenigii leaf extract to fabricate …
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