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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 192 for “"carbon nanotubes (CNTs)"”.
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Characterization of composites with aligned carbon nanotubes (CNTs) as reinforcement
Carbon nanotubes' (CNTs) superlative combination of electrical, thermal, and especially mechanical properties make them ideal candidates for composite reinforcement. Nanocomposites and hybrid composite architectures employing traditional advanced composites and CNTs offer significant potential …
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Mechanical enhancement of woven composites with radially aligned carbon nanotubes (CNTs) : investigation of Mode I fracture toughness
… and testing of woven composites with aligned carbon nanotubes (CNTs) integrated into the bulk composite, focusing here particularly on interlaminar reinforcement at ply interfaces. Implementing aligned CNTs takes advantage of their scale and superior specific stiffness and strength, with …
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Investigations on Nanomaterials For Potential Biomedical Applications
Recent advances in creating nanomaterials such as Carbon nanotubes (CNTs), graphene and Zinc Oxide (ZnO) nanofibers have led to several opportunities in biomedical research and clinical applications. The current and most promising applications of these nanomaterials include, but are not limited to, …
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Piezoresistive Hybrid Nanocomposites for Strain and Damage Sensing: Experimental and Numerical Analysis
<p>Carbon nanomaterials such as carbon nanotubes (CNTs) and graphite nanoplatelets (GNPs) demonstrate remarkable electrical and mechanical properties, which suggest promising structural and functional applications as fillers for polymer nanocomposites.</p> <p>The piezoresistive behavior of these …
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Ultra-low power phase change memory with carbon nanotube interconnects
… current has been a major concern. By utilizing carbon nanotubes (CNTs) as interconnects to induce phase change in ultra small regions of Ge2Sb2Te5 (GST), we are able to lower the programming current to less than 10 μA, almost two orders of magnitude less than state-of-the-art PCM devices. Normal …
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Bio-Inspired Assembly of Nanomaterials for Applications on Nanoelectronics and Biosensors
… nanoparticles (NPs), quantum dots (QDs), carbon nanotubes (CNTs), and magnetic nanoparticles has unique physical and chemical properties that can be used for various applications. For practical use of nanomaterials in various applications, however, it is necessary to assemble nanomaterials …
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Carbon nanotube interconnects for IC chips
Carbon nanotubes (CNTs) have been investigated as candidate materials to replace or augment the existing copper-based technologies as interconnects for Integrated Circuit (IC) chips. Being ballistic conductors, CNTs are capable of carrying higher current densities of up to 10¹⁰A/cm² and high …
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Three-dimensional device and circuit architectures : new systems with new nanotechnologies
… nanotechnologies, such as one-dimensional carbon nanotubes (CNTs) or two-dimensional nanomaterials such as transition metal dichalcogenides (TMDs). Yet simply relying on new materials alone is insufficient for realizing the next generation of energy-efficient computing. Rather, coordinated …
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Methodology, morphology, and optimization of carbon nanotube growth for improved energy storage in a double layer capacitor
… goal of this thesis is to optimize the growth of carbon nanotubes (CNTs) on a conducting substrate for use as an electrode to improve energy density in a double-layer capacitor. The focus has been on several areas, such as substrate material, growth conditions, catalyst variations, and thin-film …
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Capillary densification and adhesion tuning of aligned carbon nanotube arrays for shape-engineerable architectures
… properties of aligned nanofibers (NFs), such as carbon nanotubes (CNTs), and their ability to be self-assembled by capillary forces motivates their use as shape-engineerable materials. In order to achieve facile and accurate patterning and densification of NFs into new architectures, a …
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Studies on the Application of Multiwalled Carbon Nanotubes for the Thermal Treatment of Cancer
… to the treatment of diseases such as cancer. Carbon nanotubes in particular have been explored as drug delivery vectors, imaging contrast agents and mediators of tumor-specific thermal ablation when stimulated with near-infrared or radiofrequency energy. Several factors will influence their …
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PRECLINICAL DEVELOPMENT OF CARBON NANOTUBE MEDIATED THERMAL THERAPY FOR TREATMENT OF GLIOBLASTOMA MULTIFORME: DETERMINING THE EFFECTS OF NANOMATERIAL PROPERTIES, DOSE, AND IRRADIATION PARAMETERS ON THE EFFICACY AND POTENTIAL NEGATIVE REPERCUSSIONS OF TREATMENT
… including my own, have shown the addition of carbon nanotubes (CNTs) in combination with laser energy increases the rate to heat deposition, achieving much higher temperatures at a much quicker rate, ultimately leading to improved efficacy. The success of this combination therapy, called …
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Reactive magnetron deposition and characterization of ZrN thin films for decorative and field emission applications
… hard coatings as well as decorative layers. Carbon nanotubes (CNTs) were synthesized on ZrN, Al2O3, Si (100) and Al2O3/Si (100) substrates by means of sputtering under varying conditions of acetylene and hydrogen gas flow rates, deposition time as well as temperature. The carbon nanotubes …
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Preparation and Application of Conducting Polymer-Carbon Nanotube Composite.
… nanometerial study. In this work, we have used carbon nanotubes (CNTs) and polypyrrole (PPy) conducting polymers (CPs) as models to make a nanotube and conducting polymer composite material. Under electro-oxidation condition, the PPy/CNT films can be grown on conventional substrates such as a …
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Carbon Nanotubes for Space Electronics: Enabling New Applications with Emerging Technologies
… technologies based on materials such as carbon nanotubes (CNTs) and transition metal dichalcogenides (TMDs). However, solely relying on new materials alone is insufficient to realize next-generation electronics. Therefore, we must coordinate advances across the entire computing stack …
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Rheological and morphological characterization of hierarchically nanostructured materials
… silsesquioxane (POSS) particles, "l-D" carbon nanotubes (CNTs), and "2-D" clay nanoparticles. We develop a technique, using small-angle X-ray scattering, which provides quantitative measurements of the morphological characteristics of CNT films, including shape, orientation, CNT …
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Statistical Electron Microscopy, Rheometric Studies of Carbon Nanotube Solutions in Chlorosulfonic Acid and Characterization of Wire, Planar Antennas Manufactured from Macroscopic Carbon Nanotube Materials
Ever since their discovery in 1991, carbon nanotubes (CNTs) have been a topic of active scientific research. These tubular molecules of graphitic carbon display a unique amalgamation of mechanical, thermal and electrical properties. However, their strong inter-molecular van der Waals attractions …
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Synthesis, Structure and Properties of Various Carbon Nanomaterials
Carbon nanomaterials can have a unique place in the field of nanotechnology thanks to their exceptional electrical, optical, chemical, and mechanical properties, and thus they have become promising for a diverse array of applications. More importantly, the properties of a specific carbon …
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Aquatic toxicity of one dimensional carbon nanomaterials
… study determined the toxicity of one dimensional carbon nanomaterials (CNMs) to amphipods, midge, oligochaetes and juvenile mussels in water and sediment. As-produced or modified carbon nanotubes (CNTs) and silicon carbide nanowires (SiCNW) were selected to represent CNMs. Sediment tests were …
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Investigation of CNT-induced Escherichia coli Lysis and Protein Release
<p>This research investigated the use of carbon nanotubes (CNTs) as a treatment to increase the permeability of a bacterial cell wall. Recombinant Escherichia coli BL21 (DE3) containing a plasmid that expressed Green Fluorescent Protein (GFP) and -lactamase were exposed to CNTs under various …
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