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Showing 1 to 20 of 203 for “"Nanorods"”.
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Surface engineering of gold nanorods
Made available in DSpace on 2018-09-04T20:27:09Z (GMT). No. of bitstreams: 3 HINMAN-DISSERTATION-2018.pdf: 15683760 bytes, checksum: 41f793012c94d243a8b79b87660cede3 (MD5) LICENSE.txt: 4210 bytes, checksum: fa2d52858281080aa182894713d8a447 (MD5) PROQUEST_LICENSE.txt: 4556 bytes, checksum: …
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Alloyed heterojunction nanorods and their applications
… dissertation focuses on CdSe/CdTe heterojunction nanorods for use in photovoltaics. First, I utilized a simple post-synthesis ligand exchange procedure to greatly improve their environmental stability. Then, we integrated them into sensitized solar cells. By alloying CdTe with Se through a …
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Photothermal properties and applications of gold nanorods
Gold nanorods (GNRs) with their special optical and photothermal properties have attracted attention recently for their potential applications in fields such as photothermal therapy, drug delivery, biomedical imaging and chemical sensing. These anisotropic gold nanocrystals have tunable surface …
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Synthetic routes to silica-coated gold nanorods
The surface functionalization of gold nanorods has numerous applications for medical therapeutics, sensing, and other optoelectronic enhancement related phenomena. Surface chemistry of these particles can be altered by tuning the charge, chemical groups, and reactivity at the surface. Specifically, …
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Control of blood clotting using gold nanorods
… blood clotting using gold nanoparticles. Gold nanorods (NRs) have unique size and shape-dependent optical properties that can be used for externally controlled release of biomolecules by laser excitation. Femtosecond pulsed laser irradiation at the NR longitudinal surface plasmon resonance peak …
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Terahertz driven intraband dynamics of excitons in nanorods
Quantum dots and nanorods are becoming increasingly important structures due to their potential applications that range from photovoltaic devices to medicine. The majority of the research on carrier dynamics in these structures has been in the optical regime, with little work performed at Terahertz …
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Synthesis and alignment of gold nanorods for optical applications
Gold nanorods are of great interest in many areas of science and technology due to their versatility and electro-optical properties. There are simple synthesis methods that allow for shape control and the ability to change the chemistry on the surface of the gold nanorods. One of the interesting …
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Trimetallic gold silver copper nanorods for carbon dioxide reduction
AuAgCu trimetallic nanorods of varying sizes and elemental ratios were synthesized using a seed-mediated growth procedure. These three metals were of interest due to their respective metal nanorods’ tunable plasmonic and catalytic properties especially in photocatalysis. The synthesis was adapted …
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Plasmonic Enhancement of Nonlinear Optical Responses by Gold Nanorods
… via localized surface plasmon resonance of gold nanorods. By matching the plasmon resonance of the gold nanorods to the wavelength of the fundamental light, it is possible to greatly enhance the SHG efficiency. To demonstrate this, the surface of the gold nanorods was functionalized with a …
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Synthesis, Field Emission and Associated Degradation Mechanisms of Tapered ZnO Nanorods
… Associated Degradation Mechanisms of Tapered ZnO Nanorods</strong></p> <p>Gregory Michael Wrobel, M.S.</p> <p>University of Connecticut, 2011</p> <p>Modern development of field emitter arrays (FEA) has been made possible, partly thanks to the synthesis and development of one-dimensional (1D) …
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Synthesis and characterization of silicon nanowires, silicon nanorods, and magnetic nanocrystals
Silicon nanowires, silicon nanorods, and magnetic nanocrystals have shown interesting size, shape, mechanical, electronic, and/or magnetic properties and many have proposed their use in exciting applications. However, before these materials can be applied, it is critical to fully understand their …
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Au nanorods-semiconductor nanowire hybrid nanostructures : nanofabrication techniques and optoelectronic properties
… investigation of the optical properties of Au nanorods, I design, nanofabricate and characterize Au nanorods-semiconductor nanowire hybrid nanodevices with novel optoelectronic capabilities compared to the non-hybrid counterpart. In this regards, I first discuss the seed-mediated protocols to …
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Comparative study of nanorods and nanoflowers TiO2 thin film for heterostructure application
This study introducesn-type nanorods and nanoflowers TiO2/p-type Cu2O thin film where the modification of the heterostructure between these two materials is believed to enhancethe conversion efficiencyin solar cell application.The nanorods and nanoflowers structure areexpected to improve the solar …
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Synthesis of zinc oxide nanorods: seed layer annealing effect on electrical conductivity
Orientation of zinc oxide nanorods has a vital role in the performance of nanoscaled-based optoelectronic devices and biosensing. In spite of a lot of research, there is no clear mechanism for the growth and orientation of ZnO nanorods during hydrothermal deposition. Beside the other properties of …
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Untangling energy dependent radiation damping and chemical interface damping in gold nanorods
… study the plasmon linewidth of gold nanorods. By coating gold nanorods with an insulating material, we can isolate radiation damping contributions and fully account for energy-dependent radiation damping with a simple analytical model. We apply this analysis to metal-semiconductor …
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NANOCOMPOSITES CONTAINING GOLD NANORODS FOR TWO-PHOTON IMAGING, PHOTODYNAMIC THERAPY AND DRUG DELIVERY
Nanocomposites, in which two or more different nanosized entities arranged in a controlled manner, have been widely investigated in recent years. This nanocomposite combines the properties and advantages of each component, exhibiting multifunctionality or novel properties that are not found in …
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Synthesis and surface modification of nanorods for investigation into organic-inorganic hybrid materials
… syntheses of gold and cadmium sulphide nanorods were performed and optimised in order to increase the yield, aspect ratio and monodispersity of nanorods formed. Localised alignment according to Onsager theory was observed for nanorods produced with sufficient aspect ratio and …
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Ottimizzazione della sintesi Idrotermale di nanorods di WO3 per applicazioni energetiche e ambientali
… un'ottimizzazione della procedura per ottenere nanorods di WO3 esagonali ben definiti e nanostrutture urchin-like. Inoltre, le procedure di annealing post sintesi hanno permesso di modificare la struttura cristallina dei nanorods di WO3, ottenendo così una giunzione di fase esagonale-monoclina …
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Harnessing the optical properties of gold nanorods: fluorescence enhancement, biosensing and photothermal therapy
… of gold nanomaterials, especially gold nanorods. Due to their small size, ease of functionalization, and uniquely tunable optical properties, gold nanorods have potential application in solar cells, sensing, bioimaging, drug delivery, and cancer therapy. Excitation of a gold nanorod …
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