Index Catalog // ScholarsArchive@OSU

Cu-Ga-S/ZnS Quantum Dots with Silica Melting Gel as a Luminescent Downshifting Coating for Enhancing Solar Photovoltaic Power Generation

Creator:: Chen, Si-Hao
Abstract:: Solar cells, also known as photovoltaic devices, are a class of renewable energy systems that can convert photons into electrons without the carbon dioxide emission. Short-wavelength, high-energy photons in the ultraviolet (UV) range can't be efficiently utilized by most solar cells because of the spectral mismatch. Luminescent downshifting is a...
Resource Type:: Masters Thesis
Full Text:: .docx AN ABSTRACT OF THE THESIS OF Si-Hao Chen for the degree of Master of Science in Chemical

Understanding Charge and Mass Transfer Phenomena in Functional Oxide Heterostructures

Creator:: Samarakoon, Widitha
Abstract:: Oxides are a versatile class of materials with a wide range of electronic, optical, and magnetic properties. This makes them ideal for use in a multitude of functional devices for oxide electronics, electrochemical conversion, and storage. The overall performance of these devices is governed by atomic scale charge and mass...
Resource Type:: Dissertation
Full Text:: committee members, Prof. Liney Arnadottir, Dr. Kelsey Stoerzinger and Dr. Tianyi Chen. Thank you very much

Incorporation of polymorphic spacers to inhibit sintering of SrO/SrCO3 for thermochemical energy storage

Creator:: Tran, Justin T
Abstract:: Global energy needs are continuously increasing while fossil fuels remain an uncertain resource. With a growing population and demand for energy, alternative energy sources are being pursued to power the future. Fossil fuels are an unsustainable resource that brings along problems of climate change and atmospheric pollution. Concentrated solar power...
Resource Type:: Honors College Thesis
Full Text:: increase efficiency in power generation and allow for generation beyond on-sun hours. One method of TES

Design Principles of Transition Metal X-ide Catalysts for Electrochemical Oxygen Reduction and Evolution Reactions: In-Situ X-ray Spectroscopy Studies

Creator:: Wang, Maoyu
Abstract:: Hydrogen is the green fuel that can be produced from water through electrolysis and used via hydrogen fuel cells to generate electricity with zero carbon dioxide emission. The commercialization of electrolyzers and fuel cells is the critical step to achieving global carbon neutrality. However, it is severely hampered by the...
Resource Type:: Dissertation
Full Text:: explanation. Marcos Lucero, Dr. Yubo Chen and Dr. Zhenzhen Yang helps me with the XPS measurements and

Probing Structure, Selectivity, and Orientation of Biomolecules to Cell Membranes by Sum Frequency Generation

Creator:: Golbek, Thaddeus W.
Abstract:: Cell membranes act as barriers against unwanted movement of ions and biomolecules and are complex surfaces littered with protein channels, ion channels, cholesterol, and a myriad of different proteins. While this surface is extremely well studied, there is still much we do not know. The work in this dissertation demonstrates...
Resource Type:: Dissertation
Full Text:: .; Chen, Z., Molecular Interactions between Gold Nanoparticles and Model Cell Membranes: A Study of

Spherical Au Nanoparticle Interaction with Lipid Monolayers Probed with Sum Frequency Generation Spectroscopy

Creator:: Faase, Ryan A.
Abstract:: Nanoparticles have become more prevalent from their use in sunscreen to antimicrobial agents in socks. In light of these applications, gaining a fundamental understanding of how NPs interact with humans is crucial for their future. Specifically, how cells interact with NPs and what factors drive the modes of cellular uptake....
Resource Type:: Masters Thesis
Full Text:: . However, there are studies that show a different trend. Chen et. al. injected mice with “naked” AuNPs

Evaluation of amorphous oxide semiconductors for thin film transistors (TFTs) and resistive random access memory (RRAM) applications

Creator:: Rajachidambaram, Jaana Saranya
Abstract:: Thin-film transistors (TFTs) are primarily used as a switching element in liquid crystal displays. Currently, amorphous silicon is the dominant TFT technology for displays, but higher performance TFTs will become necessary to enable ultra-definition resolution high-frequency large-area displays. Amorphous zinc tin oxide (ZTO) TFTs were fabricated by RF magnetron sputter...
Resource Type:: Masters Thesis

Inkjet-Printed Metal Halide Semiconductors for Wearable Electronics

Creator:: Li, Shujie
Abstract:: There is an emerging interest in developing wearable electronics as a platform, which provides the flexibility of a wearable while maintaining its promising functionality as smart textiles. Metal-halide semiconductors are attractive materials with tunable optical and electrical properties. Researchers have widely studied and applied it for advanced photonics and optoelectronic...
Resource Type:: Dissertation
Full Text:: , and Dr. Yujing Zhng, VinayDoddapaneni, Han Mei, Zheng Fang, Hao Sun, Guoheng Ma, Michel David

Investigation of Magnesium Dioxybenzenedicarboxylate (Mg-DOBDC) Thin-film Deposition onto Modified Glass Substrates

Creator:: Haning, Evan J.
Abstract:: Metal-Organic Frameworks (MOFs) are crystalline compounds formed from reacting a metal ion with an organic ligand. They represent a promising new avenue in materials science for gas separations and storage. Certain MOFs, in particular Mg-MOF-74, have shown a strong affinity for the capture of CO2. This project investigated a known...
Resource Type:: Honors College Thesis
Full Text:: providing figures 2-8. I also thank Hao Sun for forming the foundation of this work, and for providing a

Investigation of solution-based processes for functional metal oxides : printing, nanostructures, and applications

Creator:: Han, Seung-Yeol
Abstract:: The various solution-based processes, spin coating, inkjet printing, microreactor assisted nanoparticle deposition (MANDTM) and spin-successive ionic layer absorption and reaction (Spin-SILAR) were used to demonstrate thin film electronics and anti-reflective coatings. Several aspects of thin film transistors (TFTs) were tested including a range of temperatures, annealing atmosphere, and deposition methods....
Resource Type:: Dissertation
Full Text:: Sun-Ok Im, and parents in law, Cheol-Jin Kim and Myung-Suk Lee, who have provided tremendous and

I-V Characteristics of Al/HfO2/TaN RRAM Devices

Creator:: Valdivia, Arturo H.
Abstract:: The memristor is a resistive switching random access memory (RRAM) with a basic metal/insulator/metal (MIM) structure. These nano devices are nonvolatile, have a conceptually simple crossbar device structure, are power efficient and have the capability of switching between high and low resistance states in nanoseconds making them promising to replace...
Resource Type:: Honors College Thesis
Full Text:: Electron Devices, Vol.60, No.1 January 2013 [8] M. G. Cao, Y. S. Chen, J. R. Sun, D. S. Shang, L. F. Liu

Nanotechnology for solar module applications : zinc oxide nanostructures and anti-reflective coating modeling, deposition, analysis, and model fitting

Creator:: Han, Katherine M.
Abstract:: To become a competitor for fossil fuels such as coal, solar installations will need to be produced and installed at a price equal to or below grid parity. This price can be approached by either reducing the overall system cost or increasing system efficiency. The focus of this paper is...
Resource Type:: Dissertation
Full Text:: Formula Sun Grand Prix

The assessment of copper and zinc removal from highway stormwater runoff using Apatite II™

Creator:: Huang, Hsiao-Wen
Abstract:: Copper and zinc are heavy metals commonly present in highway stormwater runoff. Discharge of these metals to surface waters inhabited by sensitive aquatic species including threatened and endangered salmonids has necessitated the need for improved treatment techniques. Although copper is of the greater toxicological concern, zinc is often present at...
Resource Type:: Masters Thesis
Full Text:: , Aken Chen, and Amy Lin for giving me good suggestions and supporting me through my life at Oregon

Catalytic chemical vapor deposition synthesis of carbon nanotubes from methane on SiO supported Fe and Fe−Ni catalysts

Creator:: Nakagawa, Ayako
Abstract:: Influences of operating conditions on the production of carbon nanotubes (CNTs) were studied using Fe and Fe-Ni bimetallic catalysts supported on silicon monoxide (SiO). The catalysts were prepared in three steps: (1) impregnation of SiO powders with ferric nitride or combinations of ferric and nickel nitrides, (2) oxidation of nitrides...
Resource Type:: Masters Thesis

A Fabrication Process and Analysis of ZnO-ZnS-Sb₂S3₃ Thin Film Solar Cells

Creator:: Catherall, David
Abstract:: The purpose of this research is to provide a simple fabrication method for zinc oxide and antimony sulfide based thin film solar cells. Both a ZnO nanorod electron conducting structure and a stibnite absorber show promise in a solar cell. Initial attempts at using only ZnO and Sb2S3, however, resulted...
Resource Type:: Honors College Thesis
Full Text:: /cadmium-telluride-solar-cells.html (Accessed Apr 4, 2020). 9 Kondrotas, R.; Chen, C.; Tang, J. Sb2S3

Oxygenate Reactions over PdCu and PdAg Catalysts: Influence of Electronic and Geometric Effects

Creator:: Bathena, Tanmayi
Abstract:: Bimetallic catalysis is a promising way to tune the catalytic properties of heterogeneous catalysts. In particular, bimetallic catalysts are extensively used to enhance the selectivity of monometallic catalysts in a variety of contexts, from oxidation catalysis to oxygenate coupling. In this work, we investigate PdxCuy/SiO2 and PdxAgy/SiO2 catalysts in the...
Resource Type:: Masters Thesis
Full Text:: , Sun et.al proposed a “cleave and couple” strategy in which cleave refers to the catalytic

Lanthanide Based Metal Organic Framework for the Conversion of CO₂ and Propylene Oxide to Propylene Carbonate

Creator:: Le, David H.
Abstract:: Lanthanide (Ln) based molecular complexes have shown great potential as Lewis acid catalysts for the activation of small molecules. Despite the wealth of structural versatility and high catalytic activity of these complexes, they often lack selectivity and recyclability. This hinders their potential for use in large-scale industrial applications where waste...
Resource Type:: Honors College Thesis
Full Text:: . 13. Sun, X.; Gu, X.; Xu, W.; Chen, W.-J.; Xia, Q.; Pan, X.; Zhao, X.; Li, Y.; Wu, Q.-H. Novel

Deposition and characterization of thin films

Creator:: He, Shidong
Abstract:: Recent studies have indicated that nickel gallium alloys can be effective for the catalytic hydrogenation of CO2 to methanol. To simplify the characterization of NiGa catalysts, we are developing model systems using NiGa thin films. We prepared NiGa thin films by RF magnetron sputtering using an equiatomic alloy target, followed...
Resource Type:: Masters Thesis

Investigation of oxide semiconductor based thin films : deposition, characterization, functionalization, and electronic applications

Creator:: Rajachidambaram, Meena Suhanya
Abstract:: Nanostructured ZnO films were obtained via thermal oxidation of thin films formed with metallic Zn-nanoparticle dispersions. Commercial zinc nanoparticles used for this work were characterized by microscopic and thermal analysis methods to analyze the Zn-ZnO core shell structure, surface morphology and oxidation characteristics. These dispersions were spin-coated on SiO₂/Si substrates...
Resource Type:: Masters Thesis

Characterization of CoGe Thin Films and Powders

Creator:: Pfau, Andrew James
Abstract:: Cobalt germanides have been widely studied as semiconductor contact materials, but recent theoretical studies suggest that they may also be excellent catalysts for methane steam reforming with stabilities and activities comparable to noble metal catalysts. In order to study the catalytic activity of cobalt germanides, it is critical to first...
Resource Type:: Masters Thesis
Full Text:: .2014.07.041. [26] T. Yang, W. Chen, L. Chen, W. Liu, D. Zhang, Promotion effect between Ni and Co aerogel

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