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 11 of 11 for “"Zinc Oxide Nanowires"”.
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Investigation of Zinc Oxide Nanowires for Impedance Based Structural Health Monitoring
… of composite laminates embedded with layers of zinc oxide (ZnO) nanowires. ZnO nanowire embedded composites have the potential to sense and actuate giving the potential for these smart composites to serve the function of being load bearing structures and monitoring the integrity of the …
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Synthesis and surface chemistry of zinc oxide nanowires for chemical sensor applications
… and functionalization of high quality ZnO nanowires for highly sensitive and selective p-nitrophenol vapor sensor. High-quality ZnO nanowires were synthesized through a vapor-liquid-solid process in a customized chemical vapor deposition furnace. Scanning electron microscopy, transmission …
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Morphology and Conformation of Polythiophene Derivatives in Anisotropic Core-Shell Nanocomposites and Solution
… shell hybrid nanocomposite based on anisotropic zinc oxide nanowires and a side-chain functionalized polythiophene is reported. This nanocomposite exhibits confirmed covalent side-on linkage between the polymer and the nanowires, and the crystalline, thermal and photophysical properties of the …
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Mesoporous ZnO/TiO2 nanowire heterojunction photo-anodes for quantum-dot sensitised solar cells
… to global efforts in renewable energy. Zinc oxide nanowires (ZnO2 NWs) offer an interesting alternative to traditional titanium dioxide (TiO2) as an electron transport layer in QDSSCs primarily due to their superior electron mobility and direct growth capabilities. Their one-dimensional …
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The fabrication of nano-scale engineered surfaces to investigate the enhancement of boiling heat transfer and CHF in nuclear reactors
… (PWRs) in the nuclear industry. Through growing zinc oxide nanowires (ZnO NW) on the surface of zircaloy, which clads the uranium oxide fuel, the project aims to increase the heat flux limit, i.e., the critical heat flux (CHF), resulting in a boiling crisis. That allows for improvement on the …
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Influence of High Aspect Ratio Nanoparticle Filler Addition on Piezoelectric Nanocomposites
… mixed with high aspect ratio zinc oxide nanowires, hydroxyl functionalized multi-walled carbon nanotubes, or carboxylic acid functionalized single walled carbon nanotubes were investigated. Variations of filler type and loading are tested to determine influences on film …
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Hybrid Structural Composites with Energy Harvesting Capabilities
… of hybridization of two piezoelectric materials; zinc oxide nanowires (ZnO NWs) and thin film of lead zirconium titanate (PZT) on the mechanical and energy harvesting of beams made from plain-woven carbon fiber reinforced epoxy composites (CFRPs). ZnO NWs have, by contrast, displayed great …
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Dry-transfer of chemical vapour deposited nanocarbon thin films
… carbon nanotubes and nanofibres on indium tin oxide, aluminium and alumina diffusion barriers. Activations energies of 0.5 and 1.5 eV were extracted supporting surface diffusion limited catalysis for CNTs and CNFs. For the first time an activation energy of 2.4 eV has been determined for …
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Fabrication and robustness testing of superhydrophobic nanostructured surfaces for enhanced jumping condensation
… nanostructures were also developed, and scalable zinc oxide nanowires (ZnO) and copper oxide nanoblades (CuO) were used. CuO nanoblades were etched into copper, and ZnO nanowires were grown on silicon, low carbon steel, titanium, stainless steel, and electroplated nickel. Hydrophobic coatings …
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Towards a Self-Powered Structural Health Monitoring Smart Tire
… fabrication process to grow arrays of ZnO nanowires in carbon fiber reinforced polymer was used in this work. Comparison of power generation from a composite beam with ZnO nanowires with a composite beam without ZnO nanowires demonstrated the power generation capabilities of the nanowires. …
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Hybrid Carbon Fiber/ZnO Nanowires Polymeric Composite for Stuctural and Energy Harvesting Applications
… performance. In this dissertation, ZnO nanowires (NWs) were grown on the surface of carbon fibers utilizing low temperature hydrothermal synthesis technique prior to the hybrid composite fabrication. The scanning electron microscopy revealed that the ZnO nanowires were grown uniformly on …