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 122 for “"emissive"”.
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Global development, acoustic and emissive consequences of hydropower
Increasing energy demand driven by rapid population and economic growth, the need for climate change mitigation, and the depletion of fossil fuels is stimulating the search for renewable, climate neutral energy sources. Hydropower provides an efficient, low maintenance and flexible form of energy, …
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EMISSIVE PEPTIDE NUCLEIC ACIDS (PNAS): POTENTIAL TOOLS FOR INNOVATIVE DIAGNOSTICS AND THERAPEUTICS
… activities, with the common feature of creating emissive PNAs. Emissive molecules offer various advantages when paired with PNAs. Their luminescent properties enable cellular localization studies, while their ability to penetrate cells makes them potential carriers for PNAs. Additionally, …
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ORGANIC AND HYBRID INORGANIC-ORGANIC MATERIALS WITH INTRIGUING EMISSIVE PROPERTIES IN THE SOLID STATE
… 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 community. In this …
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Up-conversion In Rare-earth Doped Micro-particles Applied To New Emissive 2d Dislays
… is applied to make possible high performance emissive displays. The infrared-to-visible UC in the materials we study is a sequential form of non-linear two photon absorption in which a strong absorbing constituent absorbs two low energy photons and transfers this energy to another constituent …
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Colloidal semiconductor nanocrystals as nanoscale emissive probes in light emitting diodes and cell biology
… semiconductor nanocrystals (NCs) as nanoscale emissive probes to investigate the physics of light emitting diodes (LEDs), as well as to unveil properties of cells that conventional imaging techniques cannot reveal. On the LED side, in particular, Chapter 2 utilizes individual NCs to alter …
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EFFECTS OF GATE THICKNESS, GATE MORPHOLOGY, AND EMISSIVE MATERIAL ON ORGANIC LIGHT EMITTING VARACTOR CAPACITOR PERFORMANCE
To keep up with the demands of power efficiency and broadened applicability, new lighting technologies must be invented. Organic light emitting varactors (OLEVs) represent a promising future in this regard and are explored here. OLEVs are built similarly to OLEDs, with an added gate. Under AC …
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The Spectroscopic Characterization Of Newly Developed Emissive Materials And The Effects Of Environment On Their Photophysical Properties
… This is especially true for the development of emissive optoelectronic devices and in the field of solar to electric energy conversion. The characterization of the photophysical properties of new molecular systems for these applications has become critical in the design and development of these …
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Studies of plasma potential measurements using an ion-sensistive probe
… SOL plasma potential is currently measured by emissive probes, which is an established potential diagnostic, yet the probes are fragile and short-lived. The ion-sensitive probe (ISP) is a possible sturdier replacement for the emissive probe. Plasma potentials in the Dionisos plasma chamber …
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Instrument development and plasma measurements on a 200-watt Hall thruster plume
… Faraday probe to measure current density, a hot emissive probe to measure plasma potential, and a cold Langmuir probe to measure electron temperature and electron density. Plasma measurements consisted of studying facility and thruster effects on the plume. Facility effects included background …
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An exact analysis of two-dimensional radiative transfer in an absorbing and emitting gray medium
… formulations for the radiative flux and the emissive power are presented for a two-dimensional, finite, planar, absorbing and emitting, gray medium in radiative equilibrium. Exact expressions are obtained for the medium subjected to the following types of boundary conditions: (1) cosine …
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Photophysical transformations in molecules studied by ultrafast multi-pulse spectroscopy /
… demonstrated for the first time the presence of emissive and non-emissive state and the equilibrium between them. The non-emissive state is the main channel of photoisomer formation, while the emission of a photon returns the molecule to the original ground state.
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Molekulių fotofizikinių virsmų tyrimas ultrasparčiosios daugiaimpulsės spektroskopijos metodais /
… demonstrated for the first time the presence of emissive and non-emissive state and the equilibrium between them. The non-emissive state is the main channel of photoisomer formation, while the emission of a photon returns the molecule to the original ground state.
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Science and Engineering of Spin Triplet Excitons in Luminescent Molecular Semiconductors
… spin-triplet excitons, which are typically non-emissive. For successful management, the formation and harvesting dynamics of triplet excitons must be probed directly. In this thesis, we employ optical and spin-sensitive probes to reveal the dynamics of triplet excitons in a selection of …
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Nano-structured materials for optoelectronic devices
… embedded in a dielectric polymer matrix as the emissive layer. The emissive layer is spin-coated from perovskite precursor/polymer blend solution. The resultant polymer-perovskite composites effectively block shunt pathways within the LED, thus leading to an external quantum efficiency of 1.2%, …
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Light conversion processes in lanthanide-based molecular materials
… in this field: i) (multi-) functional NIR-emissive heterolanthanide complexes and ii) lanthanide-doped sol-gel glasses as NIR-emissive optical materials. Heterometallic assemblies, containing two or more different lanthanide cations as carriers of distinctive functionalities, represent …
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Field Induced Polymer Electroluminescence
… generation layers, a conjugated polymer-based emissive layer, and reflecting electrode. Emphasis is placed on a solution-processed fabrication approach, favoring organic polymers and small molecules. The phenomena of phosphorescence is exploited through the use of a host:guest emissive system …
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High quality optical and optoelectronic materials for efficient light management and solar spectrum control and conversion
… to efficiently extract light from an emissive component. Regardless of industry, similar principles guide the research of these devices and can be utilized to improve upon existing designs or generate new, unique designs. This dissertation focuses on high performance optoelectronic …
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Enhancing the efficiency of organic LEDs through spin-orbit coupling of charge-transfer states
… could be attained without the addition of an emissive phosphor. Here, we present evidence that this is not a fundamental limit. Two OLED structures have been studied, each providing evidence that the efficiency of the OLED can be enhanced by the use of a heavy-metal material to mix spin in …
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Polyazine-Bridged Ru(II),Pt(II) Trimetallic and Tetrametallic Supramolecular Complexes Exhibiting Unusual Excited State Dynamics Important in Catalysis and PDT Drug Development
… models which possess the same emissive terminal Ru\'¼-dpp 3MLCT state with Ä = 110 ns and "em = 1.0-1.1 x 10"3. In marked contrast to the large number of Ru polyazine systems studied, both monometallic and supramolecular complexes, the lowest lying 3MLCT state of the Ru3Pt …
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