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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 99 for “"nanorod"”.
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Nanorod solar cell
… solar cell efficiency is the introduction of nanorod/wire structures into existing designs. This report discusses this approach in detail, highlighting beneficial characteristics offered and also looking into the structure realization through advanced nanostructure processing techniques. …
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Deposited Nanorod Films for Biosensor Applications
… the photonic crystal structures and a dielectric nanorod coating prepared by glancing-angle deposition method can lead to significant increases in the device sensitivity.
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Gold nanorod based nanoprobes for biomedical applications
Small gold nanorods (SGNRs) are nanorods that are ~13-50 nm in length and less than 10 nm in diameter. The SGNRs manifest excellent optical properties arising from localised surface plasmon resonance including strong optical absorption and scattering tunable from the visible to the infrared region …
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Fabrication of nanorod TiO2/CU2O heterostructure thin film
… for efficient charge collection. Therefore, nanorod structure has been suggested to overcome this problem. Nanorods provide stable electrodes and larger surface area for charge transfer reactions. This approach will attribute the enhancement desirable absorption of UV–visible light in natural …
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Toward spatial control of gold nanorod surface functionalization
Gold nanorods (GNRs) show much promise for applications in biological, optoelectronic and energy applications. The resonant generation of a localized surface plasmon resonance (LSPR) at the GNR surface results in interesting optical properties and unique interactions with molecules. Combined with …
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Flexible nano-memory device by zinc oxide nanorod arrays
… controllable synthesis of zinc oxide (ZnO) nanorod/nanowire (NR/NW) is the prerequisite to provide desired nanomaterials and nanostructures, the effect from substrate roughness is the key to grow well-aligned three-dimensional (3D) ZnO nanostructures for fabricating patterned nano-memory. …
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Aging Effect in the Wettability of Nickel Nanorod Arrays
The time-dependent wettability of nickel nanorod arrays was studied by measuring their water contact angles as a function of "aging" time in air. The nickel nanorod arrays were deposited on silicon substrates by DC magnetron sputtering using an oblique angle of 85° with respect to the substrate …
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Zinc Oxide Nanorod Based Ultraviolet Detectors with Wheatstone Bridge Design
… metal semiconductor-metal (MSM) zine oxide (ZnO) nanorod based ultra-violet (UV) detectors having a Wheatstone bridge design with a high</p> <p>responsivity at room temperature and above, as well as a responsivity that was largely independent of the change in ambient conditions. The ZnO nanorods …
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Synthesis, characterization and photovoltaic integration of type II nanorod heterostructures
… three we turn our focus to type II CdSe/CdTe nanorod heterostructures where the anisotropy is inherent. The type II system is of particular interest because absorbed photons rapidly produce separated electrons and holes which we suspect could make these attractive materials for photovoltaics. …
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Design, synthesis, and properties of colloidal multi-dot nanorod heterostructures
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2025-05-01
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Creation of novel gold-nanorod-based localized surface plasmon resonance biosensors
… on the development of a novel sensitive gold nanorod (GNR) based label-free LSPR optical fibre biosensor, and the development of a novel robust method for effectively modifying the surface of cetyl-trimethyl ammonium bromide (CTAB) capped GNRs and their LSPR biosensing applications. A novel …
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Gold nanorod surface functionalization: construction of dynamic surfaces and heterogeneous silica coating
Gold nanorods (GNRs) have been investigated due to their unique surface plasmon resonances (SPR) that are tunable in wavelength according to nanoparticle shape. The collective oscillation of the electrons in the GNRs excited by incoming light leads to enhanced electromagnetic fields near the gold …
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Commercialization of gallium nitride nanorod arrays on silicon for solid-state lighting
… LED structure design is proposed, in which GaN nanorod arrays are grown on silicon substrates. This new structure could be fabricated using anodized aluminum oxide's (AAO) ordered arrangement of pores as a template for growth of the nanorod array. AAO is selected for its high porosity and simple …
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Surface and interface engineering in quantum dot and double-heterojunction nanorod light-emitting diodes
Colloidal quantum dots (QDs) have shown to be a promising class of materials for the next generation displays. State-of-the-art QD-LEDs that utilize CdSe-based spherical core/shell (C/S) QDs as the electroluminescent layer have shown efficiencies and brightness that rival the best organic LEDs. One …
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Molecular engineering of gold nanorod surfaces: towards improved physical properties and understanding nanoparticle-cell interactions
"Gold nanorods have unique optical properties and various promising applications. Wet chemical synthesis of gold nanorods requires the use of cetyl trimethylammonium bromide (CTAB) as shape-directing surfactant, which form a bilayer on the surfaces of gold nanorods. CTAB bilayer stabilizes the …
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Surface-enhanced Raman scattering of metal nanoparticle assembly in agarose and highly ordered metal nanorod arrays
… (MNPA) gel composites and highly ordered metal nanorod arrays, fabricated by guided nucleation during oblique angle deposition (OAD), as surface-enhanced Raman scattering (SERS) substrates. The effectiveness of MNPA has been effectively demonstrated previously using silver nanoparticles (AgNPs), …
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Exploring charge carrier dynamics in quantum dot and double heterojunction nanorod light emitting devices using transient electroluminesence measurements
… in recent years is the double heterojunction nanorod (DHNR) whose morphology and type-II band alignment has helped to realize multi-functional displays which can both emit as well as detect light. In addition to this functionality, the rod structure can enhance light outcoupling efficiency as …
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Development of a plasmon resonance enhanced optical trap for characterisation of single metal nanoparticle
… for constructing a plasmon resonance based gold nanorod trapping platform and suggest methods for characterizing a trapped single nanoparticle. While there are published methods that emphasize on building up an optical trapping setup or trap single gold nanorod using high power lasers, none were …
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Equilibrium configurations of oxygen bubbles on surfaces for applications in nanostructured hematite electrodes
… to generate hydrogen. A model of a bubble on a nanorod was developed in this work to facilitate the understanding of equilibrium configurations of oxygen bubbles on a nanostructured hematite electrode. The equilibrium configurations are computed using Surface Evolver, a program which models …
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A DFT study of the interaction of Ox with Pt nanorod edge sites : a model for the ORR activity on Pt nanoparticle edges
… surface terminations. Using DFT calculations and nanorod models the above postulations are tested for the edge sites between a Pt(111) and Pt(100) surface. A rhombic nanorod model is used due to its computational efficiency compared to model nanoparticle clusters which are generally large and …
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