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 20 of 34 for “"Energy Materials"”.
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Hydrate formation and adhesion on low surface energy materials
Clathrate hydrates are ice-like solid substances that often form inside oil and gas pipelines and are responsible for flow blockages, sometimes leading to catastrophic disasters. Minimizing hydrate adhesion and accumulation of solids on pipelines can effectively address this problem. In this …
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Harnessing Vibrations for Efficient Exciton Dynamics in Semiconducting Energy Materials
… in the excited-state dynamics of semiconducting energy materials. We examine these effects in self-assembled organic semiconducting nanostructures and small molecules, focussing on the implications for exciton transport, energy transfer, and light emission. Special use of ultrafast laser …
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Exploring the connections between nanostructure and operational stability in next-generation energy materials
… that SED is a powerful tool for studying these materials at the atomic scale, allowing for the detailed characterisation of their structures and properties.
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Tracking and Exploiting Charge Carrier Movement and Photochemical Processes in Light-Harvesting Energy Materials
… needed to accelerate decarbonisation within the energy sector and beyond. Here, several novel material systems are studied to uncover physical properties which will dictate their suitability for use in state-of-the-art light-harvesting structures such as thin-film photovoltaics and …
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UNCOVERING FUNDAMENTAL PHYSICS OF ENERGY MATERIALS WITH QUANTUM MECHANICS, MOLECULAR DYNAMICS, AND APPLIED MACHINE LEARNING
The preservation, manipulation, and conversion of energy is one of the greatest challenges of the 21st century. One of the most powerful tools we have to control it is to improve electronics and catalysts with materials science and engineering. Experimental techniques alone are not sufficient to …
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Development of a Millimeter-Scale Laminar Flow Mixer for Rapid Iteration of Sustainable Energy Materials
Material discovery for sustainable energy materials has historically been rate-limited by low-throughput synthesis and characterization methods. However, using automation, these rate-limiting steps can be improved. The accelerated development of sustainable materials necessitates the creation of a …
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Environmental Chamber to Regulate Film Morphology for Solar Energy Materials Printing Using Additive Manufacturing and Investigating the Role of Additives in Perovskites
… humidity-controlled room at the Washington Clean Energy Testbeds (WCET). Film deposition experiments were followed by microscopy, spectroscopy and absorbance studies on the printed films. Based on visual observation and morphology data, the print parameters and solution composition are then …
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The industrial ecology of the iron casting industry
Metal casting is an energy and materials intensive manufacturing process, which is an important U.S. industry. This study analyzes iron casting, in particular, for possible improvements that will result in greater efficiencies and therefore greater global competitiveness. The quantity and types of …
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High Temperature Polymer Dielectrics For Electric Vehicle Capacitor Applications
Currently there is a push for low cost, high energy materials with high operating temperatures that can simultaneously reduce cost, weight, and volume in the automotive industry. Economically feasible high performance capacitors are critical to the Department of Energys goal to advance technologies …
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The East Austin housing science center : towards a more environmentally accountable design approach
… the input, output and cycling of resource flows (energy, materials, water, biomass) at the site scale should provide a better understanding of the underlying support metabolism that an architect impacts with design decisions. This thesis attempts to identify opportunities and limitations for form …
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Computational design of interfaces : mitigating He damage in nuclear fusion applications
… for nuclear fusion to be a feasible source of energy, materials must be developed that are resistant to the damaging byproducts of a fusion reaction. One of these byproducts is He, that is implanted into the plasma facing wall of the reactor. Once implanted, it causes irreparable damage due to …
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Joint Density-Functional Theory For Energetics And Spectroscopy In Complex Aqueous And Nonaqueous Solvents
… with potential applications in (among others) energy materials discovery, catalysis and surface science. In this dissertation, we develop accurate and fast joint density functional theories for complex, non-aqueous solvent enviroments, including organic solvents and room temperature ionic …
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Three-dimensional periodic structures for enhancing light-matter interaction and energy storage
… for integrated photonics to high power and high energy batteries. Among the approaches to fabricate 3D meso-structured materials, colloidal self-assembly and holographic lithography are particularly attractive owing to their ability to create large, uniform templates. However, these 3D structures …
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Performance Assessment of Alternative Composite Earth Wall Panels
… represents over 30 percent of our national energy consumption (Parsons, R., 2001). Embodied energy in components of building construction can represent as much as five to ten years of operating energy. Building materials such as concrete, steel and glass require significant amounts of energy …
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The Future of Biofuels: An Economic Analysis of the Design and Operation of a Microalgae Facility in Texas and the Southwestern United States
The world of energy is changing. With rising energy costs and concerns over the supply of energy materials, more research is being conducted into alternative sources of fuel and microalgae is one of the sources being researched, although much research had been conducted on it as a part of the …
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CRYOGENIC MICROSCOPIES OF ENERGY STORAGE MATERIALS: INSIGHTS INTO METAL ANODES, SOLID-ELECTROLYTE INTERFACES, AND MXENES
The escalating global energy demand has intensified the pursuit of high energy density storage technologies, focusing on metal anode systems that promise higher energy density at lower cost. This dissertation presents comprehensive research that advances our understanding of energy storage …
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Advancing characterization techniques for structure-property determination of in-situ lignocelluloses
The global progression towards sustainable energy, materials and chemicals requires novel and improved analytical tools to understand and optimize lignocellulosic biomass utilization. In an effort to advance lignocellulose characterization, gain insights into biomass processing, and obtain novel …
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Removing the Spin-Triplet Loss Pathway in Organic Solar Cells: A Strategy to Enhance Radiative Efficiency and Minimise Energy Loss
… into free charges. ii. The use of low-exchange energy materials that allow for the simultaneous creation of a charge transfer state that is close in energy to the lowest singlet state to minimise the energy loss associated with charge generation, but still below the energy of the lowest triplet …
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