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Transition Metal Oxide Nanoparticles Decorated Carbon Nanomaterials as Earth-Abundant Electrocatalysts for Zinc-Air Batteries
DownloadFall 2022
As awareness of global warming increases and the geopolitically influenced energy supply fluctuates, the global economy is in dire need of a transition from fossil fuels to renewable energy sources. Although renewable energies are sustainable and have favorable environmental impacts, they suffer...
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Spring 2024
We investigate the microscopic nature of charge-carrier conduction in nanoscale semiconducting materials using time-resolved terahertz spectroscopy (TRTS). TRTS uses picosecond pulses of terahertz radiation (0.5-2.5 THz) to explore photoexcited charge-carrier lifetimes and dynamics with...
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Spring 2015
Silicon nanocrystals (SiNCs) have been suggested as promising candidates for bioimaging because of their abundance, biocompatibility, and stable photoluminescent properties. However, “naked” SiNCs are insoluble in water and very reactive. As a result, NC surface functionalization is necessary to...
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Rational Design and Engineering of Metal-based Nanomaterials for Multifunctional Electrocatalysis
DownloadFall 2023
Multifunctional electrocatalysis plays an important role in renewable energy conversion, supporting a variety of clean energy devices such as fuel cells, electrolyzers, and metal-air batteries. Hydrogen evolution reaction (HER), oxygen evolution reaction (OER), and oxygen reduction reaction (ORR)...
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Spring 2011
The Kim and Chan experiment in 2004 gave the first experimental evidence of a possible supersolid state. Even though the origin of this state is not clear yet, several experimental and theoretical investigations suggest defects are responsible for this curious phase. We have used heat pulses and...
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Spring 2014
Analytical separations are important methods of identifying and quantifying molecular compounds present in complex sample mixtures. These approaches are popular in biochemistry, medical diagnostics, quality control, and numerous other applications. In these techniques, constituent analytes are...
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Nanoengineered and Biomimetic Protein-derived Adhesives with Improved Adhesion Strength and Water Resistance
DownloadSpring 2017
The oilseed industry generates a great deal of meal after oil extraction. Soy meal has a number of value added applications while canola meal is used mainly as a low-value animal feed. There is a growing interest on value addition of meal beyond feed uses. Canola and soy meal contain ~ 33-37% and...
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Gas Diffusion Layers Impregnated with Metal Oxide Decorated and Nitrogen-Doped Carbon Nanotube Catalysts for Electrically Rechargeable Zn-Air Batteries
DownloadSpring 2020
Secondary zinc-air batteries (ZABs) have garnered interest in recent years as a promising technology for energy storage due to their minimal safety concerns, low cost, and a high theoretical energy density. However, many issues still need to be resolved for commercialization of ZABs. Many of...
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Spring 2017
With the rapid development of electrified transportation, electrochemical energy storage devices will be more important than they have ever been in human history. Lithium-ion batteries are considered as the most energy efficient candidates, due to their relatively long cycle life. However, their...