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 75 for “"nano structured"”.
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Nano-structured materials for optoelectronic devices
… to experimentally realise materials with desired nano-structures for solution-processable optoelectronic devices such as solar cells and light-emitting diodes (LEDs), and examine structure-performance relationships in these devices. Short exciton diffusion length limits the efficiency of most …
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Nano-structured platforms as a spectroscopic tool
Nano-structured platforms have been studied for the purpose of enhancing weak fluorescence signals. Each platform was constructed as a thin oxide layer on top of a metal (aluminum) The oxide was perforated with hexagonal array of nano-holes. The pitch of the array was much smaller than the optical …
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Nematic liquid crystals for nano-structured organic photovoltaic
… different end groups.We show that the thin film nanoscale morphology and the phase separation of the donors/acceptors blends depend on the chemical structures of donors and acceptors, the casting solvents and the annealing temperature of the film. The functional groups of the perylene bisimide …
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Halloysite for smart nano-structured materials in sustainable applications
Biohybrid nanostructured materials were prepared by the co-assembling of inorganic particles, i.e. nanoclays, with organic moieties such as biopolymers. Among clays, Halloysite Nanotubes (HNTs) were deeply investigated due to their peculiar properties: morphology, different chemistry and charges on …
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DEVELOPMENT OF NANO-STRUCTURED METAL OXIDES/GRAPHENE FOR ENERGY APPLICATIONS
… of structure evolution of vanadium oxide (V2O5) nanocrystals during the Li+ ion intercalation and deintercalation processes using in operando high-energy x-ray diffraction (HEXRD) and in operando x-ray adsorption near edge spectroscopy (XANES). The HEXRD results clearly show that V2O5 undergoes …
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DEVELOPMENT OF NANO-STRUCTURED METAL OXIDES/GRAPHENE FOR ENERGY APPLICATIONS
… of structure evolution of vanadium oxide (V2O5) nanocrystals during the Li+ ion intercalation and deintercalation processes using in operando high-energy x-ray diffraction (HEXRD) and in operando x-ray adsorption near edge spectroscopy (XANES). The HEXRD results clearly show that V2O5 undergoes …
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Thermal stability of nano-structured selective emitters for thermophotovoltaic systems
… 2-D photonic crystals, are periodic micro/nano-scale structures that are designed to affect the motion of photons at certain wavelengths. The structured patterns, however, lose their structural integrity at high temperatures, which disrupt the tight tolerances required for spectral control …
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Computational Studies of the Mechanical Response of Nano-Structured Materials
… utilizes atomistic scale modeling to study nanoscale deformation phenomena with time and spatial resolution not available in experimental testing. Molecular dynamics techniques are used to understand plastic deformation of metallic bicontinuous lattices with varying solid volume fraction, …
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Uv-liga Compatible Electroformed Nano-structured Materials For Micro Mechanical Systems
… study micro mechanical systems fabricated with nano-structured metallic materials via UV-LIGA process. Various micro mechanical systems with high-aspect-ratio and thick metallic structures have been developed and are presented in this desertation. A novel micro mechanical valve has been …
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Electrochemical mechanisms in nano-structured graphitic and redox-active polymeric architectures
… and explore various mechanisms of different nano-structured energy storage and conversion materials. The first part of this dissertation explores the application of ultra-thin graphene as an electronically transparent and physically impermeable interface. Outer-sphere reactions on metal …
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Development and characterization of micro/nano structured surfaces for enhanced condensation
Micro/nanostructures have long been recognized to have potential for heat transfer enhancement in phase-change processes by achieving extreme wetting properties, which is of great importance in a wide range of applications including thermal management, building environment control, water …
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Atomic and electronic structure studies of nano-structured systems : Carbon and related materials
… functional theory has been conducted on carbon nanotubes and graphene nano-structures. The results have been extended to non-carbon systems such as boron nanostructures. Computational studies are complemented by experimental methods to refine the structural models and obtain a better …
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Nano-structured platinum-based catalysts for the complete oxidation of ethylene glycol and glycerol
… have constructed a hybrid anode consisting of a nano-structured PtRu electrocatalyst with an NAD-dependent alcohol dehydrogenase for improved oxidation of complex molecules. A nano-structured PtRu catalyst was used to oxidize ethylene glycol and glycerol in neutral media. In situ infrared …
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Flow condensation of low GWP refrigerants inside smooth and micro/nano-structured macro/mini channels
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2027-05-01
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Anti-Adhesive Si-and F-Doped DLC Coatings and Micro-Nanostructured Surfaces for Medical Implants
… was to develop a range of DLC coatings and micro-nanostructured surfaces with anti-bacterial properties for biomedical applications. In this study a DLC coating and Si- and F- doped DLC coatings with various Si and F contents were prepared by a radio frequency plasma-enhanced chemical vapor …
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M13 virus/single-walled carbon nanotubes as a materials platform for energy devices and biomedical applications
Making nanocomposites from combinations of materials each with their own unique functional advantage can often solve issues that cannot be addressed when utilizing only one type of materials. Therefore, controlling nanosturucture and nanoarchitecture have become central issues in both high …
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Investigation of the Magnetic Properties of Non-Thiolated Au Nano-Structures Grown by Laser Ablation
… displays magnetic properties when reduced to the nano-scale. Researchers found magnetism in Au nanoparticles (NPs) in a size range from 2 to 10 nanometers. Moreover, the Au nanoparticles are usually coated by thiol-containing organic caps, which are believed to be responsible for the magnetism. …
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Constitutive model of aligned carbon nanotube/nafion nanocomposite ionic electroactive polymer actuators
Research is progressing rapidly on composite nano-structured materials, including aligned carbon nanotube (A-CNT) polymer nanocomposites (PNC), and with device construction utilizing these novel materials. However, the material constitutive relations of the PNCs and tailoring of these is lagging. …
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