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 24 for “"hybrid inorganic-organic"”.
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NEW ORGANIC AND HYBRID INORGANIC/ORGANIC LUMINESCENT MATERIALS
… coordination polymers (CP), and phosphorescent organic emitters were synthesized and characterized. My work focused on a further derivatization of the TT scaffold with selected pendants, aiming at obtaining RTP materials and suitable ligands to be employed in luminescent metal complexes and …
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Development of hybrid inorganic/organic nanocomposites with enhanced thermal conductivity
… covalent and non-covalent interactions at the hybrid polymer-filler interface. LPSQs were synthesized via sol–gel chemistry and processed into films by solvent casting followed by ultraviolet-induced (UV-induced) curing; likewise, LPSQ/Al2O3 NCs were prepared by embedding variable loadings of …
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Reactive amphiphilic block copolymers for the preparation of hybrid inorganic/organic materials
… the use of these micelles for the preparation of hybrid inorganic/organic materials are described. The hybrid materials are used for patterning of highly ordered titanium dioxide nanoparticles on a silicon wafer. The amphiphilic block copolymers were synthesized by sequential anionic …
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Simulation study of carbon dioxide and methane permeation in hybrid inorganic-organic membrane
… the gas permeation process within four hybrid inorganic-organic membranes is modeled at the micro level using molecular dynamics (MD) and at the meso scale level using a diffusion mechanism. The predicted permeances and relative selectivity of CO₂ and CH₄ are compared with the …
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ORGANIC AND HYBRID INORGANIC-ORGANIC MATERIALS WITH INTRIGUING EMISSIVE PROPERTIES IN THE SOLID STATE
ORGANIC AND HYBRID INORGANIC-ORGANIC MATERIALS WITH INTRIGUING EMISSIVE PROPERTIES IN THE SOLID STATE Daniele Malpicci, PhD Thesis, R12760, Università degli Studi di Milano Materials featured by emissive properties in the aggregated form are gaining ever growing attention from the scientific …
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Development of hybrid inorganic-organic light-emitting devices with metal oxide charge transport layers
Organic light emitting diodes (OLEDs) are currently being considered as the next generation technology in flat panel displays and solid state lighting applications. Among which, phosphorescent organic light emitting diodes (PhOLEDs) with nearly 100% internal quantum efficiency including other …
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Microwave curing of hybrid inorganic-organic ceramers and some additional structural features of these material
… to scattering from the porosity present in the inorganic phase at metal alkoxide contents as low as 40 wt%.
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Physical and Gas Permeation Properties of a Series of Novel Hybrid Inorganic-Organic Composites Based on a Synthesized Fluorinated Polyimide
A series of hybrid inorganic-organic composites were fabricated from a functionalized fluorinated polyimide and tetraethoxysilane (TEOS), tetramethoxysilane, methyltrimethoxysilane (MTMOS), and phenyltrimethoxy-silane (PTMOS) employing the sol-gel process. Polyimides were synthesized from …
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Hybrid Inorganic-Organic Materials: Novel Poly(Propylene Oxide) Based Ceramers, Abrasion Resistant Sol-Gel Coatings for Metals, and Epoxy-Clay Nanocomposites. With an Additional Chapter On: Metallocene Catalyzed Linear Polyethylene
The sol-gel process has been employed to generate hybrid inorganic-organic network materials. Unique ceramers were prepared based on an alkoxysilane functionalized soft organic oligomer, poly(propylene oxide) (PPO), and tetramethoxysilane (TMOS). Despite the formation of covalent bonds between the …
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Synthesis, Processing, and Properties of Silicon-Containing Phthalonitrile Resins
Hybrid inorganic-organic resins may provide higher temperature performance in oxidizing environments than their organic counterparts. Phthalonitrile (PN) polymers are excellent candidates for hybridization due to their high thermal stability and glass transition temperatures and their need for …
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Synthesis and surface modification of nanorods for investigation into organic-inorganic hybrid materials
… towards the synthesis of a new kind of giant hybrid liquid crystal consisting of organic semiconductor molecules surrounding an inorganic semiconductor with a nanorod shape with the potential for use in photovoltaic solar cells. It is intended that such materials will combine the good …
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New Organic/inorganic Hybrid Sol-gel Nanocomposite Materials For Raman Gain In Fiber Optics
… the synthesis and characterization of new hybrid inorganic/organic sol-gels and monomers capable of producing broad wavelength Raman scattering over a spectral range of 1200-1670 nm are presented. The synthetic methodology developed facilitates the systematic approach to produce sol-gel …
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Synthesis and characterization of electronic materials for photovoltaic applications
… diodes, and molecular electronics. Hybrid Inorganic/Organic materials have been studied for device application due to their unique electronic properties. These properties result from the formation of bulk heterojunctions between inorganic (n-type) and organic (p-type) materials. …
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Synthesis, non-linear optical and electrochemical properties of novel organoimido polyoxometalate derivatives
… of a new class of earth abundant redox-active, hybrid inorganic-organic chromophores for use in second-order non-linear optics (NLO): organoimido polyoxometalates (POMs). It presents the first experimental measurements of 2nd order NLO (frequency doubling) coefficients (β) (by hyper-Rayleigh …
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Inorganic-Organic Hybrid Networks Constructed from Different Metal Ions and Ligands
Hybrid inorganic-organic networks have been studied in both chemistry and materials science due to properties, (e.g. porosity, magnetic and electronic behaviors) that may lead to applications in catalysis, gas absorption and storage. It is important to understand the different structural topologies …
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The preparation and characterization of PEK/TEOS glasses by the sol-gel method
… been placed on the development of a new class of inorganic glasses using the sol-gel approach. This technique utilizes metal alkoxide precursors such as tetraethylorthosilcate (TEOS) to build an inorganic glass matrix out of solution by a two step poly(hydrolysis-condensation) reaction mechanism. …
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Amorphisation Mechanisms of Metal-Organic Frameworks under High Pressures and Temperatures
Metal-organic frameworks (MOFs) are a versatile class of hybrid inorganic-organic materials known for their adjustable chemical and physical properties, as well as their exceptional porosity. These characteristics render MOFs particularly valuable for applications requiring extensive surface areas, …
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Novel customisable phases for micro solid-phase extraction and automated biological sample preparation
… was prepared for bio-ligand immobilisation. A hybrid inorganic-organic material using silica modified with carboxymethylated dextran (CMD) was prepared. This material was packed into µSPE cartridges and 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (EDC) and N-hydroxysuccinimide (NHS) coupling …
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Preparation and Investigation of Group 13 Metal Organo-Phosphate Hybrid-Framework Materials
… in this field is focused on synthesizing hybrid inorganic-organic compounds, which combine inorganic species as nodes and organic species as linkers. These materials have been demonstrated to have versatile structures and show promising properties for applications in the areas of …
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Novel phosphors for solid state lighting
… This dissertation will examine the synthesis of inorganic nanoparticles and the possibility of using hybrid inorganic-organic frameworks in the search for new lighting phosphors. Nanoparticles of the oxide compound yttrium aluminium garnet were synthesized using an emulsion technique, though it …
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