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 15 of 15 for “"Material Chemistry"”.
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Cucurbit[n]uril-based colloidal self-assembly in hybrid polymeric systems
… importance in the fabrication of new functional materials. In particular, colloidal assembly via supramolecular pathway has contributed to numerous innovations in material chemistry, on account of its specific, directional and dynamic non-covalent interactions. By taking advantage of the …
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Mesoporous Carbon/Silica Encapsulated Molybdenum and Ruthenium Nanocatalysts For Green Chemistry Applications
… interests recently, owing to advancement in material chemistry and nanotechnology. With well-defined size, shape, composition and structure, nanocatalysts have huge potential to be used as active and selective catalysts for a wide range of catalytic reactions. This PhD project focuses on …
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A Showcase of Functional Fluorous Materials and Their Applications
This thesis highlights conjugated organic materials functionalized with fluoroalkyl chains and explores their applications in material chemistry. In Chapter 1, we begin with a brief introduction of incorporation of fluorine into materials and its effect on materials properties. An introduction to …
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Multiscale Transport and Dynamics in Ion-Dense Organic Electrolytes and Copolymer Micelles
Understanding molecular and ion dynamics in soft materials used for fuel cell, battery, and drug delivery vehicle applications on multiple time and length scales provides critical information for the development of next generation materials. In this dissertation, new insights into transport and …
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SYNTHESIS AND STRUCTURAL DESIGN OF CARBOHYDRATE-BASED ARCHITECTURES: FROM VACCINE ADJUVANTS TO GLYCAN FOLDAMERS
… have been used both for biology and for material chemistry purpose5. The first chapter of this PhD thesis focus the attention on vaccine adjuvant semi-synthesis. Vaccines are one of the oldest treatments in medicine prevention, since the first vaccination was performed in the 1790s by …
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Studies in iridium and manganese catalysis in C-H activation and reductive transformations
… blocks in pharmaceutical, agrochemical and material chemistry. The efficient and selective derivatisation of heteroarenes is a critical tool for organic synthesis. C−H activation has emerged as an effective means to access diversified heteroaromatic motifs. In particular, iridium-catalysed …
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Chemomechanics of non-stoichiometric oxide films for energy conversion
… and lithium ion batteries (LIBs) are enabled by materials known as "non-stoichiometric oxides" that contain large concentrations of point defects such as oxygen or lithium vacancies. While this non-stoichiometry provides the essential functional properties of ionic conductivity or reactivity that …
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Simulation of primary static recrystallization with cellular operator model
… CORe model has also been interfaced to a microchemistry model (ClaNG) that provides information on the temporal evolution of precipitates volume fraction, precipitate size distribution and solute content in solution. The information is available for any grid element at any time and can be …
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Magnetic Resonance Studies of Free Radicals Generation and their Impact in Different Polymers
<p>Studies of free radicals in the physics, chemistry, biology, and materials science have contributed to advancements in those fields. The presence of radicals can damage the material and system in some instances and, in some cases, they may enhance the property of the material as well. Knowledge …
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Biogeochemical Transformations of Trace Element Pollutants During Coal Combustion Product Disposal
… ash, fly ash, and flue gas desulfurization materials. The chemical composition of coal ash varies depending on the feed coal source, combustion parameters, and the presence and type of air pollution control devices that remove contaminants from the flue gas into the solid waste stream. …
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Expanding the potential of gold nanorods: From size dependence and intrinsic anisotropy to formulating a new class of surface coatings
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2024-05-01
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Polycondensation of Bridged Amino-Functionalized Trialkoxysilanes.
… CO<sub>2</sub> adsorbent. Synthesis of such material is done by hydrolysis and polycondensation of trialkoxysilane. The fastest gelation was observed at reaction in the absence of acids or bases. However, addition of surfactant to the reaction mixture catalyzed formation of silsesquioxanes in …
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Modified Organoclay Containing Chelating Ligand for Adsorption of Heavy Metals in Solution.
<p>Presence of a chelating ligand in the clay structure significantly improves its ability to immobilize heavy metals from contaminated sludge or wastewater. Two-step modification procedure comprising sequential pillaring and grafting of chelating agent to the modified clay is …
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A Prelude to a Third Dimension of the Periodic Table: Superatoms of Aluminum Iodide Clusters
… and alkaline atoms, respectively. Novel chemistry is demonstrated in superatoms, arising from two primary sources. Firstly, the calculations demonstrate the preference to break molecular I2 bonds in favor of iodine atoms individually adsorbing onto the aluminum sites of the central …
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1, 2, and 3 Dimension Carbon/Silicon Carbon Nitride Ceramic Composites
… temperature and stable multifunctional class of materials that can be synthesized from a polymer precursor through thermal decomposition. The presented research focuses on 1-D nanofibers, 2-D films and 3-D bulk, carbon-rich silicon carbon nitride (SiCN) ceramics. 1-D nanofibers were prepared via …