Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 58 for “"nanoscale materials"”.
-
Modified oligonucleotides for the functionalisation of nanoscale materials
… The successful preparation of these materials was confirmed and the ability of both gold and silver nanoparticle conjugates to function as hybridisation sensors has been shown. This has extended the methodology of hybridisation induced aggregations from gold to silver nanoparticles. …
-
Exciton Dynamics in Organic and Inorganic Nanoscale Materials
The study of the photophysical properties of nanoscale materials has been a substantial research area for several decades due to their unique optoelectronic behaviors and numerous applications ranging from quantum emitters to solar panels and beyond. Any use of these materials, however, that …
-
EXPLOITING NANOSCALE MATERIALS PROPERTIES FOR CONTROLLED DRUG DELIVERY SYSTEMS
… special opportunities afforded by synthesis of nanoscale materials to be applied inside the colon. It must be robust enough to cope with the adverse conditions in the gastrointestinal tract (GI) and be able to reach and release “on demand” at the colon area at the right time. In this work, an …
-
Development and implementation of nanoscale materials in engineering applications
Nanoparticles used in two unique ways are examined for the purposes of utilizing their unique characteristics for specific applications. The first of the nanoparticles examined, Cadmium Selenide/ Zinc Sulfide core/shell Quantum Dots with an expected emission peak of 640nm, were studied for the …
-
Thermoreflectance Measurements of Non-Diffusive Transport In Bulk And Nanoscale Materials
… management becomes even more concerning in nanoscale electronic devices, where there are several interfaces for heat to pass across before reaching a bulk-like heat sink. To mitigate these issues, existing devices are constantly being re-engineered and new materials are being sought to take …
-
Biological scaffolds for the peptide-directed assembly of nanoscale materials and devices
… design, synthesis and fabrication of nano-scaled materials and devices presents novel, large scale solutions for the realization of future technologies. In particular, we have genetically modified the M13 Filamentous Bacteriophage for its use as a biological scaffold in the peptide-controlled …
-
Synthetic strategies for control of structure from individual macromolecules to nanoscale materials to networks
Chapter 1. Aqueous self-assembly of prodrug macromonomers. A series of highly tunable micelles for drug delivery were made from norbornene based poly(ethylene glycol) macromonomers with covalently linked drugs. A total of five macromonomers were made using three different drugs (telmisartan, …
-
An investigation of nanoscale materials and their incorporation in patch antenna for high frequency applications
… a strong determination for using these materials as substitute to the high-cost materials commonly used as medium substrate in the fabrication of Microstrip Patch Antenna (MPA). Antenna technology can strongly gain from the utilisation of low-cost, flexible, light weight with suitable …
-
Experimental and Simulation Studies of the Processing of Nanoscale Materials: Inert Gas Condensation and Ion Irradiation Methods
Analysis of magnetization data in the framework of superparamagnetic theory revealed that at irradiation temperatures Ti below T i ∼350°C, phase separation in Cu-Co films of all compositions stabilizes at high doses (by 5 x 1015 ions/cm 2), indicating the existence of temperature-dependent …
-
Development of a dynamic environmental transmission electron microscope for the study of light-induced dynamics in nanoscale materials
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-04-06 without embargo terms
-
A Theoretical and Experimental Investigation of the Physical and Chemical Properties of Solid Nanoscale Interfaces
With the emerging interest in nanoscale materials, the fascinating field of surface science is rapidly growing and presenting challenges to the design of both experimental and theoretical studies. The primary aim of this dissertation is to shed some light on the physical and chemical properties of …
-
Electronic Properties of Tailored 2D Materials for Chemical Sensor Applications
Chemical sensor devices made of nanoscale materials have been widely used in different technological applications, and their susceptibility to perturbations in the environment depends on the host material properties. The latter can detect a concentration of impurities and evidence such changes in …
-
Batch-compatible Integration of Nanowires with Uniaxial Micro Tensile Testing Platforms
Nanoscale materials often have stochastic material properties due to random distribution of material defects and lack of sufficient number of defects to ensure a consistent average. Current methods to measure the mechanical properties employ microelectromechanical systems based tensile loading …
-
Novel materials, computational spectroscopy, and multiscale simulation in nanoscale photovoltaics
… semiconducting sunlight absorbers and metallic materials as electrical contacts. Novel nanoscale materials introduce new paradigms for ultrathin, lightweight, solution processable PV as an alternative to conventional Si technology. For example, the ability to use deposition methods not viable in …
-
Routes towards low-cost renewable hydrogen production
… storage (compression, liquefaction, adsorption materials and hydrides) are presented in detail (in appendices). Particular attention has been given to energy efficiency, cost and practicality of processes. Electrolysis of water is investigated in detail. Wind turbines and solar photovoltaics are …
-
Electronic transport properties of carbon nanotubes: the impact of atomic charged impurities
Even changing one atom in nanoscale materials is expected to alter their properties due to their small physical sizes. Such sensitivity can be utilized to modify materials' properties from bottom up and is essential for the utility of nanoscale materials. As such, the impact of extrinsic atomic …
-
MULTIPHOTON ABSORPTION IN MONOLAYER TRANSITION METAL DICHALCOGENIDES
Identifying light absorption mechanisms in nanoscale materials, which are more efficient than those observed in bulk semiconductors, are of paramount importance to next-generation, infrared photo-detection. In this thesis, degenerate two-photon absorption (2PA) and three-photon absorption (3PA) …
-
Molecular-thermodynamic theories of micellization of multicomponent surfactant mixtures and of pH-sensitive surfactants
… targeted gene delivery, and the fabrication of nanoscale materials for optics, electronics, and sensors. First, a molecular-thermodynamic (MT) theory was developed to account for counterion binding to mixed micelles composed of ionic-nonionic and ionic-zwitterionic binary surfactant mixtures. …
-
Electronic structure and quantum conductance of nanostructures
… structure and quantum conductance of realistic nanoscale materials. Electron transport at the nanometer scale involves phenomena which are beyond the realm of classical transport theory: the wave character of the electrons becomes central, and the Schrddinger equation needs to be solved …
Page 1 of 3