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 9 of 9 for “"Thermoelectric efficiency"”.
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Study of electrical and thermal transport in low-dimensional structures aiming for improving thermoelectric efficiency
Thermoelectric engineering has been getting much attention anticipating its potential to serve an important role in producing clean energy out of waste heat dissipated from industries, residential processes, and transportation. However, thermoelectric efficiency has been limited to a non-practical …
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Theory of molecular scale thermoelectricity
… theory and equilibrium Green’s function to study thermoelectricity in molecular scale. We have aimed to improve the efficiency of single molecules in converting heat to electricity by carefully designing them. We introduced a novel strategy for designing molecules with low thermal conductance. …
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Theoretical Investigations of the Electronic, Magnetic, and Thermoelectric Properties of Transition-Metal Based Compounds
<p>The electronic, magnetic, and thermoelectric properties of transition-metal based compounds were investigated by using the density functional theory and Boltzmann transport formalism. It was found that the Co-based Heusler compounds and InSe monochalcogenide are among the materials that may be …
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Functional nanoelectronic devices: single-electron transport, memristivity, and thermoelectricity in nanoscale flms using self-assembly and graphene
… A third section reports on a project studying thermoelectricity in self-assembled molecular junctions, as they show potential for improved thermoelectric efficiency for energy harvesting; this is discussed in the dissertation. Strategies to benchmark the studies are presented with relevant …
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Study of Thermoelectric and Lattice Dynamics Properties of 2D Layered MX (M = Sn, Pb; X = S, Se, Te) and ZrS2 Compounds using First-principles Approach
… aim of this dissertation is the investigation of thermoelectric and lattice dynamics properties of two-dimensional (2D) MX (M = Sn, Pb; X = S, Se, Te) and ZrS2 compounds based on the first-principles density functional theory. The dimensionality reduction (e.g., using 2D structure) of bulk …
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Solar thermoelectric power conversion : materials characterization to device demonstration
… power block. In this thesis, we explore solar thermoelectric generators (STEGs) as an alternative way to convert sunlight to electricity. Similar to concentrated solar power STEGs capture the sunlight in form of heat. However, the captured heat is directly converted to electricity by means of a …
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Selective transport properties in nanostructured materials
… of rippled graphene nanobuds and evaluate their thermoelectric efficiency. While looking into practical approaches to achieve two-dimensional materials with periodic nanostructures, our interest has extended to covalent organic frameworks (COFs) and their desalination properties. Through …
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Experiments on the Thermal, Electrical, and Plasmonic Properties of Nanostructured Materials
… primary areas of research presented here are thermoelectric enhancement through nanostructured thin films, an alternative frequency-domain thermoreflectance method for thin film thermal conductivity measurement, thermal rectification in nanodendritic porous silicon, and plasmonic enhancement …
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Thermal conductivity in organic semiconducting polymers
The thermoelectric effect in materials, which accounts for the direct conversion between thermal energy and electrical energy, has been practically used to build devices for many purposes, including thermoelectric generators for producing clean electricity from temperature difference and …