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 51 for “"Solution processing"”.
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Ultrafast Spectroscopic Studies of Solution-Processing Organic Photovoltaic Materials and Devices
… owing to features such as low-temperature processing, light weight and flexibility, and synthetic versatility. Due to the development of new materials systems with unique optoelectronic properties, a breakthrough in the OSC performance has been achieved. However, knowledge of the underlying …
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Novel solution processing and characterization of aligned carbon nanotube materials for rapid composition-property relationship determination and additive manufacturing
… CNT purification and developed a method for solution processing sub-milligram quantities of CNTs dissolved in chlorosulfonic acid (CSA) into films and fibers with high structural order. The aligned films have a high degree of order and exhibit anisotropic optical, electrical, and mechanical …
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Flexible and solution-processed organic thin film transistors for high voltage applications
… substrates via a low temperature (< 120 °C) solution-processed and vacuum-deposited fabrication methods, achieving breakdown voltages and on/off current ratios beyond -550 V and 10⁶ A/A, respectively, a first of its kind. The HVOTFT design was based on a dual channel architecture, where a …
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Dimension Controlled Self-Assembly of Perylene Based Molecules
… of these molecules have been performed using solution processing methods (dispersion, phase-transfer, and phase-transfer at high temperature) by taking advantage of the changes in solubility of the molecules, wherein the molecular interactions are maximized to favorably allow for the formation …
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Lead Free CH3NH3SNI3 Perovskite Thin-Film with P-type Semiconducting Nature and Metal-like Conductivity
… thin film was prepared by two low temperature solution processing methods and characterized using various tools such as Xray Diffraction (XRD) and absorption spectroscopy (UV-VIS). The distinctive p-type semiconducting nature and metal like conductivity of CH3NH3SnI3 were confirmed by the …
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Properties and Performance of Polymeric Materials Used in Fuel Cell Applications
… between perfluorinated ionomer membranes and processing/performance issues in fuel cell systems was investigated. As confirmed by small-angle X-ray scattering data, impedance analysis, and dynamic mechanical analysis, solution processing with mixed organic-inorganic counterions was found to be …
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Mesoporous ZnO/TiO2 nanowire heterojunction photo-anodes for quantum-dot sensitised solar cells
… is crucial for advancing sustainable energy solutions due to their unique advantages over conventional solar technologies. QDSSCs offer the potential for high power conversion efficiencies by leveraging the tunable bandgaps of quantum dots (QDs), which allow for broad spectral absorption and …
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Femtosecond pulse generation in surface-emitting semiconductor lasers
… saturable absorbers for VECSEL modelocking via solution processing is investigated.
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Scalable Perovskite Thin-Film Photovoltaics
… are moderately soluble, opening the door to solution processing methods rather than traditional physical or chemical vapor-based growth. For photovoltaic applications, the thin-film devices created using perovskite materials are thin relative to silicon wafer-based counterparts and therefore …
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Naujų skersaryšinamų organinių krūvininkų pernašos medžiagų charakterizavimas /
… fabricating samples of organic electronics using solution processing. The thin-film layers on glass substrates of investigated organic materials V311 and V331 were drop casted and, in cases when the materials were crosslinked, further annealed to guarantee that hydroxyl and isocyanate functional …
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Organic photovoltaics and concentrators
… of ten. Combined with the potential for low cost solution processing, the high flux gains and power efficiencies realized here should enable a new source of inexpensive solar power.
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Characterisation of solution processed zinc oxide quasi-superlattice materials for thin film applications
… range of applications in modern optoelectronics. Solution processing allows for novel properties of oxide materials to be investigated through low-cost and scalable techniques in an effort to challenge the current vacuum-based state of the art in metal oxide semiconductor deposition. This work …
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Surfactant Formulations for Water-Based Processing of a Polythiophene Derivative
… properties. A relationship between the dilute-solution processing with surfactants and the final properties of the system is substantiated.</p>
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Influence of High Aspect Ratio Nanoparticle Filler Addition on Piezoelectric Nanocomposites
… to low toxicity, high flexibility, and facile solution processing which provide manufacturing opportunities such as screen printing. Throughout the last decade, countless projects have focused on how to enhance the energy harvesting capabilities of these PNGs through the incorporation of …
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Correlating Structural and Opto-electrical Properties of Perovskite Solar Cells
… deposit these abundant materials with large area solution processing techniques could make perovskites viable for low-cost production. However, since perovskite materials are prone to degradation, their lifetime needs to be improved to that of silicon solar cells before these devices can be …
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Physical properties and design of light-emitting devices based on organic materials and nanoparticles
… with inexpensive fabrication methods such as solution processing and roll-to-roll deposition; second, hybrid devices can be fabricated on flexible plastic substrates and glass, avoiding expensive crystalline wafers; third, this technology is compatible with patterning methods, allowing …
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Physical properties and design of light-emitting devices based on organic materials and nanoparticles
… with inexpensive fabrication methods such as solution processing and roll-to-roll deposition; second, hybrid devices can be fabricated on flexible plastic substrates and glass, avoiding expensive crystalline wafers; third, this technology is compatible with patterning methods, allowing …
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Solution-Processed Solar Cells via Nanocrystal Inks and Molecular Solutions
… by developing routes to high-efficiency, solution-processed photovoltaics (PV) for low-cost and low-energy manufacturing.
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Processing of Thin Film Photovoltaics from Chalcogenide Nanoparticles
Over the last few decades, it has become evident that current energy production for humanity since the industrial revolution has incurred the emission of greenhouse gases (GHGs) into the Earth’s atmosphere, resulting in rampant pollution, global warming, ocean acidification and other disastrous …
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Multi-Scale Assembly Methodologies of Poly(3-Hexylthiophene) Derivative Systems for Enhanced Optoelectronic Anisotropy
… advantages of macromolecular systems, including solution processing and mechanical flexibility, conjugated polymers have become a burgeoning field of research with the hopes of producing cost-effective solution-based electronics. Importantly, optoelectronic device performance is heavily …
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