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.
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Showing 1 to 13 of 13 for “"NANOTUBES + CARBON NANOTUBES"”.
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Carbon nanotube electronic structures as anti-corrosion coatings
… The structures were made of functionalized carbon nanotubes. Carbon nanotubes are known for many remarkable properties among which is being chemically inert. Taking advantage of this property, a study of corrosion of steel was undertaken. In the first case study, successive layers of …
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SYNTHESIS, CHARACTERIZATION, DECORATION AND FILLING OF CARBON NANOTUBES
Carbon nanotubes (5-30 nm in diameter and 0.4-5 µm long) were synthesized by the arc-discharge method in a He atmosphere. The nonotube samples were oxidized by burning in air and by liquid-phase oxidation using KMnO4, HNO3 and a mixture of HNO3/H2SO4 as oxidants. We approached the decoration of …
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Functionalization and applications of carbon nanotubes
Carbon nanotubes (CNTs) possess a unique set of electrical and mechanical properties and have been used in a variety of applications. In this thesis, we explore strategies to functionalize CNTs as well as applications which are enabled by functionalized CNTs. Chapter 1 gives an overview of emerging …
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Semi-Empirical Studies on Electronic Properties and Applications of Carbon Nanotubes
Carbon nanotubes are nanostructures with fascinating electrical, mechanical, thermal and chemical properties, which make them an ideal system to test fundamental theories in low-dimensional structures, and at the same time a promising candidate for applications in the field of fast-developing …
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Image processing for in-situ feedback control of fiber spinning of carbon nanotubes
Carbon nanotubes (CNTs) have gained momentum in industrial applications over the last few decades due to their versatile mechanical, thermal, and electrical properties. Demand for manufactured CNT structures to have precise properties has increased, and with it emerge new manufacturing techniques. …
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Origami-inspired nanofabrication utilizing physical and magnetic properties of in situ grown carbon nanotubes
Carbon nanotubes (CNTs), in particular the vertically-aligned variety grown through a plasma enhanced chemical vapor deposition (PECVD)-based process, are highly versatile nanostructures that can be used in a variety of nanomanufacturing applications. However, process and material compatibility …
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Transport and tunneling in multiwalled carbon nanotubes
Carbon nanotubes are promising new candidates for the construction of molecular-scale electronic circuits. However, the widely varying quality of the material, synthesized using different methods, results in large variation in electronic transport properties. In this Thesis, electronic transport in …
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DNA-Templated Surface Alignment and Characterization of Carbon Nanotubes.
Carbon nanotubes are appealing materials for nanofabrication due to their unique properties and structures. However, for carbon nanotubes to be used in mass-fabricated devices, precise control of nanotube orientation and location on surfaces is critical. I have developed a technique to align …
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Applications and production of carbon nanotubes
Carbon nanotubes, a recently discovered form of carbon fiber with structural perfection similar to that of a fullerene molecule, have interesting electronic, chemical and mechanical properties due to their size and structure. Nanotubes have great potential as a bulk material for strong, lightweight …
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Gas chromatography on self assembled single walled carbon nanotubes
Carbon nanotubes (CNTs) are nano-sized carbon-based sorbents, which have high surface area, large aspect ratio, can be self-assembled and are known to be stable at high temperatures. It is therefore conceivable that separation techniques, such as, gas chromatography (GC) can benefit from their …