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 28 for “"Solar fuel"”.
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An analysis of distributed solar fuel systems
While solar fuel systems offer tremendous potential to address global clean energy needs, most existing analyses have focused on the feasibility of large centralized systems and applications. Not much research exists on the feasibility of distributed solar fuel systems. This thesis is an attempt to …
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Molecular Hybrid Photocathodes Based on Silicon for Solar Fuel Synthesis
… is broadly defined as the process of solar energy conversion into chemical fuels and represents a promising route towards alleviating the global energy crisis. In this context, the development of photocathodes for the use in photoelectrochemical cells is an attractive approach for the …
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Tailored diketopyrrolopyrrole-based organic dyes in photoelectrochemical cells for solar fuel synthesis
The conversion of solar energy to chemical feedstocks in dye-sensitised photoelectrochemical cells functionalised with molecular catalysts offers an attractive route to mitigate the current energy crisis and reduce global CO₂ emissions. However, most reports currently focus on precious metal-based …
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Iron Modified Bismuth Titanate Pyrochlore Photocatalysts for Environmental Remediation and Solar Fuel Production
… represents three years of my time working in the SOLAR lab under the supervision of Dr. Ravi Subramanian developing novel mixed metal oxide photocatalysts to help alleviate environmental and energy related concerns. In the first chapter we examine the catalytic activity of a pyrochlore phase …
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Enhancing solar fuel synthesis via complementary approaches: round-the-clock operation and heat utilisation
The synthesis of fuels from sunlight offers a promising sustainable solution for chemical energy storage. However, the inefficient utilisation of the solar spectrum limits its commercial viability. Requiring high energy photons to drive the reaction, a large portion of the solar spectrum, …
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Photoelectrochemical tandem cells with enzymes wired to hierarchically-structured electrodes for solar fuel synthesis
In photosynthesis, solar energy drives the conversion of CO2 and H2O into chemical energy carriers and building blocks, releasing O2 as a by-product. Artificial photosynthesis attempts to mimic this process to produce a renewable and storable fuel, such as H2. Semi-artificial photosynthesis …
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System and Reactor Design, and Materials Testing, for Efficient Thermochemical Solar Fuel Production in Temperature/Pressure Swing Redox Cycles
Zero emission fuels such as hydrogen and its carriers are essential for decarbonizing hard-to-electrify sectors like industrial process heat, long-distance transportation and seasonal energy storage. Green hydrogen can also decarbonize chemical processes in the fertilizer, petrochemicals and metal …
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Sustainable photocatalysis using carbon-based materials through interfacial and solvent engineering
… and scalable photocatalytic systems for solar-fuel production has gained significant attention as a pathway toward a sustainable carbon economy. Among the wide range of semiconducting materials investigated, carbon-based nanomaterials have been considered as promising candidates due to …
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Three-dimensional nanotube arrays for solar energy harvesting and production of solar fuels
… highly uniform nanorods and nanowire arrays for solar energy conversion have been explored as potential candidates for solar energy conversion and solar-fuel generation owing to their enhanced photoconversion efficiencies.</p><p>However, controlled fabrication of nanorod and especially nanotube …
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Effects of different ligands on the binding of a palladium center in a pyridyl spaced dicarbene
… uphill transformation with implications for solar fuel production. Accordingly, we have developed a suite of compounds consisting of [PDCRPdL]X–, (R= methyl, ethyl, isopropyl, cyclohexyl, 2,6-diisopropylphenyl and mesityl, L= bromide, acetonitrile, pyridine, and t-butylisocyanide, X–= Br–, 2 …
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ELECTROCATALYTIC PROCESSES FOR ENERGY STORAGE & CONVERSION
<p>"The continuous excessive usage of fossil fuels has resulted in its fast depletion leading to an escalating energy crisis as well as several environmental issues leading to increased research towards sustainable energy conversion. Electrocatalysts play crucial role in the development of numerous …
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Multimodal in-situ spectroscopy of novel enzyme mimics with optofluidic microreactors
… through harnessing the power of the sun for solar fuel production, degrading harmful environmental pollutants and driving the green synthesis of valuable organic products. Despite their significant potential, the current performance of photocatalysts is insufficient for widespread deployment …
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Carbon Nitride as a Heterogeneous Photocatalyst for Organic Transformations
… have been mostly studied as a photocatalyst for solar fuel productions and environmental applications. Here, the focus is on employing carbon nitrides photocatalyst for fine chemical synthesis and perform modification on carbon nitrides to achieve further efficiency and sustainability as a …
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Design, Structure, And Action Of An Artificial Photosynthetic Reaction Center
… of photosystem II is the reaction center, where solar energy is used to separate charge. Set within a large and highly complex protein system, the handful of redox cofactors that make up the reaction center form an electron transport chain that converts the energy of a central, light-activated …
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Towards reverse engineering of Photosystem II: Synergistic Computational and Experimental Approaches
… reduces CO2 to carbohydrate molecules acting as fuel for the cell. Unfortunately, native PSII is unstable and not suitable to be used in industrial applications. Consequently, there is a need to reverse-engineer the water oxidation photochemical reactions of PSII using solution-stable proteins. …
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Solar water splitting for hydrogen production: development of photocatalysts based on earth abundant and biocompatible materials (TiO2 and Fe2O3)
Fossil fuels have been critical to the development of modern society, but concerns over pollution, environmental degradation and climate change demand humans transition to renewable sources of energy. Solar energy is, among renewables, by far the largest exploitable resource, providing more energy …
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Labile Ligand Variation in Polyazine-Bridged Ruthenium/Rhodium Supramolecular Complexes Providing New Insight into Solar Hydrogen Production from Water
… for use as photocatalysts for the production of solar H2 fuel from H2O. The electrochemical, photophysical, and photochemical properties upon variation of the monodentate, labile ligands coordinated to the Rh reactive metal center were investigated. Bimetallic complexes …
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Functionalized Metal-Organic Frameworks for Water Oxidation Catalysis
… aggravate global warming, but also cause fossil fuels shortage in the near future. Solar energy is an infinite green energy resource that can potentially satisfy our energy usage. By utilizing solar energy to drive reactions like water splitting, solar fuels system are able to produce valuable …
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Electrochemical wiring of cyanobacteria to anodes using polymers towards biohybrid devices for solar-chemical production
To accelerate the phasing out of fossil fuels, the innovation of sustainable technologies that convert solar energy to chemical energy will be crucial. Bio-photoelectrochemical devices using living microorganisms as catalysts for solar-fuel conversion could fill this gap. As a material, living …
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