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 11 of 11 for “"Novel nanostructures."”.
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Fabrication and characterization of novel nanostructures based on block copolymer lithography
… One of the main challenges is to create complex nanostructures other than closed-packed nanodots or nanoholes with hexagonal symmetry, or parallel nanolines based on block copolymer lithography. In this thesis, we demonstrate two approaches to generate novel structures such as ellipsoids, rings …
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Electron beam processing and spectroscopic characterisation of 2D materials and novel nanostructures
… growth of fully realised three-dimensional (3D) nanostructures, selective surface termination, defect generation and real-time imaging of chemical reaction fronts. The aim of this project was to elucidate experimentally the fundamental processes that govern the chemical reactions occurring during …
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Understanding the Toxicity Effects of Nanostructures: I. Effect of Physico-chemical Properties on Environmentally Relevant Organismal Toxicity. II. Design of Novel Nanostructures to Reduce Environmental Toxicity while Retaining Functional Properties
… toxicity, AgNCs were chosen as a precursor for a novel silver-antibiotic hybrid surface coating. Silver nanocubes were functionalized with a sub-monolayer of gold (Au@AgNC) to increase the ease of covalent attachment of functional moieties. The Au@AgNCs were then covalently functionalized with …
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M13 bacteriophage-enabled assembly of nanocomposites : synthesis and application in energy conversion devices
… of M13 bacteriophage, nanocomposites with novel nanostructures and various functional nanomaterials have been synthesized, assembled, and fabricated into devices. Using excellent properties from each functional material in the nanocomposites, performance of the energy conversion devices has …
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Nanoscale structure and transport : from atoms to devices
… challenges. Atomic-scale simulations can find novel nanostructures with desirable properties, but the search can be difficult if the wide range of possible structures is not well understood. Electrical response and other non-equilibrium transport phenomena are measured experimentally, but not …
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Effects and applications of capillary condensation in ultrathin nanoparticle assemblies
… focused on the assembly and characterization of novel nanostructures. However, there is a scarcity of studies addressing critical barriers to commercialization of LbL technology, such as the lack of mechanical durability and the difficulty of incorporating a diverse set of functional organic …
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Self-assembly of amino acids on noble metal surfaces : morphological, chemical and electronic control of matter at the nanoscale
Designing novel nanostructures which exploit the self-assembly capabilities of biomolecules yields a promising approach to control matter at the nanoscale. Here, the homochiral molecular self-assemblies of the methionine and tyrosine amino acids on the monocrystalline Ag(111) and Cu(111) surfaces …
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Chemistry of novel nanoscale carbon materials: Nanodiamond and carbon nano-onions
… of nanoscience is focused on carbon-based nanostructures. Tremendous studies have been carried out on fullerenes and carbon nanotubes in the past a couple of decade due to their unique chemical and physical properties. This thesis studies the chemistry of the other two novel nanostructures …
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Ultrafast Optical Spectroscopy Techniques applied to colloidal nanocrystals
… resolve it. In the fourth chapter I will discuss novel nanostructures of CdSe=CdS multi branched shape, in this case octapod shaped nanocrystals consist of eight arms made of CdS grown on a CdSe core, these present a large crosssection for light absorption and efficient charge separation ideally …
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Refractory oxides based multilayered core@shell plasmonic nanostructures
… investigations of core@shell plasmonic nanostructures consist of noble metals and refractory oxides are presented. Such structures show significantly improved thermal stability due to the protective oxide layers, while retaining the excellent plasmonic properties of noble metals. …
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Germanium tin nanowires: synergy at the nanoscale
… in GeSn thin films is the move towards 1-D GeSn nanostructures; nanowire morphology allows for increased strain relaxation compared to thin films due to free sidewall facets. This thesis aims to demonstrate the advancements in Ge1-xSnx nanowires, and branched nanostructures, and their application …