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 197 for “"Nanostructured Materials"”.
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Nanostructured Materials Prepared With Ultrasound
… method to produce organic-inorganic hybrid materials. Nanoporous silica spheres incorporated with various organic dyes are synthesized by USP and utilized in colorimetric sensing arrays for the identification of aliphatic amines. Further usefulness of USP is demonstrated in quantum dot …
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Nanostructured materials for hydrophobic drug delivery
… (Psi) and nanocellulose (NC) hydrogels are nanostructured materials with several properties that make them promising for drug delivery applications. In this work, Î2-carotene (BC) and clofazimine (CFZ) are used as model molecules to investigate the physical and chemical processes governing …
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Selective transport properties in nanostructured materials
… is an established method in engineering materials due to exciting new properties that manifest only in the nano-regime. When investigating nanomaterials, atom-scale simulations can be powerful tools. Through computational approach, one can 1) understand the underlying physics of a …
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GRAPHENE-BASED SEMICONDUCTOR AND METALLIC NANOSTRUCTURED MATERIALS
… are often associated with discoveries of novel materials. Such period was brought about by the successful preparation of graphene which is a 2D allotrope of carbon with remarkable electronic, optical and mechanical properties. Functional graphene-based nanocomposites have great promise for …
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Nano and Nanostructured Materials for Optical Applications
Nano and nanostructured materials offer unique physical and chemical properties that differ considerably from their bulk counterparts. For decades, due to their fascinating properties, they have been extensively explored and found to be beneficial in numerous applications. These materials are key …
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Optimization of nanostructured materials towards gas sensing
… thesis is to investigate the growth and use of nanostructured materials in order to make them suitable for sensoristics. Sensors applications have become very important in the last years because of a new sensibility towards pollution of the urban world and its effects on human health. Only very …
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Characterization of Intermolecular Interactions in Nanostructured Materials
… investigate the intermolecular forces in several nanostructured materials. Techniques including, but not limited to, isothermal titration calorimetry (ITC), variable temperature Fourier transform infrared (FTIR) spectroscopy, and ultraviolet-visible (UV-Vis) thermal curves were used to study the …
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Micro- and nanostructured materials via ultrasonic spray pyrolysis
Micro- and nanostructured materials have become an important area in the materials society due to their unique physical and chemical properties. Numerous materials with nano- and microstructures have been synthesized, such as porous, core- shell, and hierarchical structures. Great emphasis has been …
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Synthesis of nanostructured materials in deep eutectic solvents
… their use as solvents for the synthesis of nanomaterials. The DES are especially attractive due to the lack of toxic emissions because of their negligible vapour pressure in comparison to the volatile organic compounds. However there is a lack in the understanding on the role played by DES to …
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Rheological and morphological characterization of hierarchically nanostructured materials
Hierarchically nanostructured materials exhibit order on multiple length scales, with at least one of a few nanometers. The expected enhancements for applications using these materials include improved mechanical, thermal and electrical properties; however, control of the morphology which governs …
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Theoretical Modeling of Polymeric and Biological Nanostructured Materials
… new possibilities in developing soft matter nanostructured substrates with desired properties for various applications.
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Aerosol Route Synthesis and Applications of Doped Nanostructured Materials
… issues. Thus, the development of new nanoscale materials in low-cost scalable synthesis processes is important. Furthermore, the ability to independently manipulate the material properties as well as characterize the material at different steps along the synthesis route will aide in product …
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Nanostructured Materials for Ultrasensitive Detection of Contaminants in Water
L'abstract è presente nell'allegato / the abstract is in the attachment
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Understanding and Tuning Nanostructured Materials for Chemical Energy Conversion
… energy conversion systems involving energetic materials and lithium ion batteries, where performance is strongly dependent on the properties of materials and their architecture. The objective of this study is to enhance our understanding and tuning of nanostructured materials that might find …
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Nanoporous hosts for the encapsulation of conductive nanostructured materials
… as host matrixes for incorporation of conducting materials at the nanometer scale. By designing nanoporous host structures we are trying to manipulate the growth process and the properties of the embedded conductive nanostructures. The focus is on liquid-crystal templated silica-based mesoporous …
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Synthesis and Optical Characterization of Boron based Nanostructured Materials
… properties. When compared to other elemental nanomaterials, boron-based nanomaterials exhibit uncommon behaviours due to their distinct bonding characteristics. Due to their reactive nature, boron nanoparticles are generally unstable and prone to defect formation, which greatly affects their …
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Exciton transport and coherence in molecular and nanostructured materials
… past 20 years a new classes of optically active materials have been developed that are composites of nano-engineered constituents such as molecules, polymers, and nanocrystals. These disordered materials have enabled devices such as organic light emitting diodes, color tunable lasers, and …
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First-principles approaches for accurate predictions of nanostructured materials
Nanostructured materials have attracted increasing interest in recent years due to their unusual mechanical, electrical, electronic and optical properties. First-principles electronic structure calculations (e.g., with density functional theory or DFT) provide unique insights into the …
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Thermal and thermoelectric properties of nanostructured materials and interfaces
… are enabled by the use of thin films and/or nanostructured composite materials. For example, many thermoelectric devices, solar cells, power electronics, thermal barrier coatings, and hard disk drives contain nanostructured materials where the thermal conductivity of the material is a …
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Nanostructured materials for photovoltaics and microwave electronics: methods and applications
… synthesis, characterization and application of nanostructured materials for “low-cost” photovoltaics and high frequency (microwaves) analog electronics. Indeed, the two areas investigated demonstrate the enormous potential for diverse applications of nanostructured materials. The initial …
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