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 772 for “"Metal Oxide"”.
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Metal oxide nanostructures and their applications
… Among various classes of nanomaterials, the metal oxide nanostructures possess particular important because of their significant physical and chemical properties which allowed them to be used for the fabrication of highly efficient nanodevices. The metal oxide nanomaterials are widely used …
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Defect engineering of metal oxide semiconductors
… should also be able to be extended to metal oxide semiconductors, where promising applications (e.g., gas sensors and photocatalysts) are gaining increased interest. In particular, the use of surface engineering has been extended to titanium dioxide, opening up new possibilities of …
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Bipolar metal oxide thin film diodes
… have contributed to the prominent interest in metal oxides for semiconductor devices in the recent years, due to their high uniformity, high carrier mobility and low resistivity as a disordered material, when compared to the alternatives such as amorphous and polycrystalline silicon and organic …
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Synthesis and characterization of metal oxide nanoparticles
… by reacting copper nitrate with sodium hydroxide, followed by annealing the gel at temperatures between 160°C to 1,000°C to produce particles in the 6 to 36 nm range. Nanoparticles of Co3O4 in the size range of 9 to 45 nm were prepared in an analogous manner by reacting cobalt …
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Metal Oxide Semiconductors for Solar Energy Harvesting
… materials: silicon) used in building the cells. Metal oxide semiconductors are an attractive class of materials that are extremely low cost and can be produced at the scale needed to meet widespread demand. An industrially attractive thin film synthesis process based on aerosol deposition was …
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Radiation effects in metal-oxide-semiconductor capacitors
… hot-electron injection to an excess of bulk oxide traps in the ionization channel produced by very heavily ionizing radiation, which leads to intrinsic breakdown in high-field stressed devices. These findings are interpreted in terms of a modification to the model for radiation-induced …
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Charge Transfer at Metal Oxide/Organic Interfaces
Interfacial charge transfer between metal oxides and organic semiconductors has been found to limit the efficiency of organic optoelectronic devices. Although a number of investigations of inorganic/organic systems exist, very few generally applicable rules for oxide/organic interfaces have been …
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Metal oxide electrocatalysts for alternative energy technologies
This dissertation focuses on the development of metal oxide electrocatalysts with varying applications for alternative energy technologies. Interest in utilizing clean, renewable and sustainable sources of energy for powering the planet in the future has received much attention. This will address …
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Metal oxide-oxygen electrodes and fuel cells
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1960.
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GaN Complementary-Metal-Oxide-Semiconductor (CMOS) Technology
… A high performance GaN-Complementary-Metal-Oxide-Semiconductor (CMOS) technology could potentially find applications in data centers, electric vehicles, space electronics, on-chip power converters, beyond 5G base stations, and a plethora of other applications where Si falls short in …
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Metal oxide thin film transistors for CMOS applications
Abstract Title: Metal oxide thin film transistors for CMOS applications Author: N.C.A. van Fraassen CMOS technology based on oxide thin film transistors (TFTs) is essential to reduce the power consumption and increase the complexity of low-cost (flexible) processors. These processors have the …
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Metal oxide/organic interface investigations for photovoltaic devices
This thesis outlines investigations of metal oxide / organic interfaces in photo- voltaic devices. It focuses on device instabilities originating from the metal oxide layer surface sensitivity and it presents suggested mechanisms behind these in- stabilities. A simple sol-gel solution deposition …
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Near room temperature lithographically processed metal-oxide transistors
… the purpose of fabricating transistors based on metal-oxide channel materials. The combination of indium tin oxide (ITO) as the source/drain electrodes, zinc indium oxide (ZIO) as the semiconducting channel, and parylene as the dielectric was used to demonstrate the feasibility of such a low …
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Surface chemistry and material integration of metal oxide nanocrystals
Metal oxide nanocrystals have a variety of chemical, electronic, and optical properties unique not only to their material composition but also to their size and shape. Control and tunability over these physical parameters can be achieved through colloidal synthesis. In this process, small nuclei …
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Nonaqueous syntheses of metal oxide and metal nitride nanoparticles
… work, we have shown new strategies to synthesise metal oxide and metal nitride nanomaterials. The first part of the work deals with the study of nonaqueous synthesis of metal oxide nanoparticles. We succeeded in the synthesis of In2O3 nanopartcles where we could clearly influence the morphology by …
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METAL OXIDE-BASED NANOMATERIALS FOR LITHIUM-OXYGEN BATTERIES APPLICATION
RECHARGEABLE LI?O2 BATTERIES WITH REMARKABLY HIGH THEORETICAL ENERGY DENSITY HAVE ATTRACTED EXTENSIVE ATTENTION. HOWEVER, TO ENABLE LI?O2 BATTERIES FOR PRACTICAL APPLICATIONS, NUMEROUS CHALLENGES NEED TO BE OVERCOME, E.G. HIGH OVERPOTENTIAL, LOW RATE CAPABILITY, AND POOR CYCLING STABILITY. THE KEY …
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