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 14 of 14 for “"Transparent Conductors"”.
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Transparent Conductors based on Ag Nanolayer embedded in Semiconductor Oxides
… and characterization of ultrathin TCO/Ag/TCO transparent electrodes. The study, is also focused on the optimization of structural, optical and electrical properties for several applications. The thesis is organized as follows: Chapter 1: it introduces the optoelectronic devices and their …
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Understanding the oxidation and reduction process in transparent conducting oxides
Transparent conductors play important roles in many optoelectronic devices such as LEDs, thin film solar cells, and smart windows through their ability to efficiently transport both photons and electrons. Simultaneous requirements of a wide band gap, high free carrier concentration, and high …
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The Impact of Morphology and Composition on the Resistivity and Oxidation Resistance of Metal Nanostructure Films
<p>Printed electronics, including transparent conductors, currently rely on expensive materials to generate high conductivity devices. Conductive inks for thick film applications utilizing inkjet, aerosol, and screen printing technologies are often comprised of expensive and rare silver particles. …
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Growth and Characterization of (InGa)2O3 Alloys
… are being developed for use as wide bandgap semiconductors. Wide bandgap oxides are receiving attention as their properties are conducive to improved power and high breakdown devices. The indium gallium oxide alloy makes it one of the candidates that can be used in heterostructures in which the …
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The investigation of interactions between single walled carbon nanotubes and flexible chain molecules
… range of technological applications including transparent conductors, thin film transistors, photovoltaic materials, and chemical sensors. For many of these applications, the starting point requires dispersing the nanoparticles in solution using a surfactant, and amphiphilic polymers of various …
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The challenges of organic polymer solar cells
… the need to develop new solution processed transparent conductors, cost effective encapsulation and long life flexible substrates. The third chapter discusses polymer solar cells cost estimates and how innovative designs for new modules could reduce installation costs. In the final chapter I …
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Novel Quantum Materials for Spintronic and Opto-Electronic Applications
… Giant Magnetoresistants (GMR), and magnetic semiconductors have been extensively studied due to their ability to manipulate the spin of electrons for applications in magnetic storage. In opto-electronics, materials such as Diluted Magnetic Semiconductors (DMS) and non-oxide Transparent Conductors …
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Contact region fidelity, sensitivity, and control in roll-based soft lithography
… flexible displays, distributed sensor networks, transparent conductors, and bio-inspired surfaces. Achieving and maintaining collapse-free contact of the soft stamp features is a necessary condition for printing. In the first part of the thesis, stamp behavior is examined at two length scales. …
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Precision control of cylindrical stamp contact in a continuous roll-to-roll microcontact printing machine
… flexible displays, thin film photovoltaic cells, transparent conductors, desalination membranes, and other large-scale surface modifications. This thesis details the development of a precision roll-to-roll microcontact printing machine. This pilot-scale web-handling machine serves as the platform …
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Transparent neural interfaces for simultaneous electrophysiology and advanced brain imaging
… with conventional metal electrodes which are non-transparent. In MRI, the issue is compounded by the heating effect in metals and loss of signal due to their significantly different magnetic susceptibility compared to biological tissue. Conducting polymer electrodes are prospective alternatives …
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Hybrid Organic/Inorganic Flexible Structures: Low Temperature Deposition of Silver Conductive Tracks on Flexible Substrates
… lead to highly efficient and reliable transparent electrode components that can be used in lightweight and flexible optoelectronic devices such as sensors, solar panels, touch screens, displays and solid state lighting. Common approaches to fabricate transparent conductors include the …
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Dry-transfer of chemical vapour deposited nanocarbon thin films
… (MWCNTs) as enabling technologies for flexible transparent conductors offering enhanced functionality. The technologies developed could be employed as thin film field emission sources, optical sensors and substrate-free wideband optical polarisers. Detailed studies were performed on CVD Fe and …
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THE ROLE OF NATIVE POINT DEFECTS AND SURFACE CHEMICAL REACTIONS IN THE FORMATION OF SCHOTTKY BARRIERS AND HIGH N-TYPE DOPING IN ZINC OXIDE
… applications including blue/UV light emitters, transparent conductors, biosensors, and electronic nanoscale devices. While the versatility of ZnO is exciting, many hurdles keep it from reaching full device potential. Chief among them are the role of native point defects and impurities in the …
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Properties of Amorphous Transparent Conducting and Semiconducting Oxides from First Principles
<p>"Amorphous transparent conducting and semiconducting oxides possess properties superior or comparable to their crystalline counterparts. The structure-property relationship in amorphous oxides is not nearly as well understood as in the case of the crystalline transparent conducting oxides. We …