Index Catalog // ScholarsArchive@OSU

Per- and Polyfluoroalkyl Substances (PFAS) in Environmental Air-Water Matrices and Light Non-Aqueous Phase Liquids (LNAPL)

Creator:: Schwichtenberg, Trever J.
Abstract:: The presence of per- and polyfluoroalkyl substances (PFAS), organic contaminants first synthesized in the 1940s, has been reported worldwide in a variety of environmental matrices and ultimately in biological systems including humans. Ongoing research into PFAS has included identifying novel PFAS, assessing their fate and transport in the environment, and...
Resource Type:: Dissertation

Liquid-gated carbon nanotube transistor noise sources and sensitivity limits

Creator:: Sharf, Tal
Abstract:: Low-dimensional electronic materials offer a platform to observe biological processes with unprecedented spatial and temporal resolution. Carbon nanotubes (CNTs) are the closest physical analog to an ideal 1D system and can be scaled and integrated into multiplexed electronic circuitry. The molecular structure of a CNT is also biocompatible, making them...
Resource Type:: Dissertation
Full Text:: Activity Mapping. Acs Nano 7, 1850-1866, doi:Doi 10.1021/Nn4012847 (2013). 3 Cui, Y., Wei, Q. Q

Scanning photocurrent microscopy study of photovoltaic and thermoelectric effects in individual single-walled carbon nanotubes

Creator:: DeBorde, Tristan
Abstract:: Carbon Nanotubes are a unique family of nanostructures that have shown remarkable promise for mechanical, electrical, and optical applications. Fundamentally similar to the earlier discovered Buckminsterfullerene (C₆₀), carbon nanotubes are hollow cylinders formed from a single sheet of carbon atoms. The research presented in this dissertation investigates several carbon nanotube...
Resource Type:: Dissertation
Full Text:: Photodiodes? Nano Lett 10, 3277-82, doi:Doi 10.1021/Nl100639h (2010). 9 Kataura, H. et al. Optical

Unique Structural Properties and Motifs of Metal-Oxides from Solids to Clusters

Creator:: Malmberg, Christopher E.
Abstract:: In this dissertation, the structural properties, thermodynamics and defect behavior of amorphous metal oxides and polyoxometalates are studied. Amorphous metal oxides have many applications, most notably as a semiconducting material used as the active matrix of thin film transistors. Alas, the amorphous nature of these materials makes studying them rather...
Resource Type:: Dissertation

Electronic and Optical Properties of Defects in Amorphous Oxide and Transition Metal Dichalcogenide Semiconductors

Creator:: Vogt, Kyle
Abstract:: The optical and electronic properties of amorphous oxide thin films depend crucially on chemical composition, and deposition process variations which give rise to sub-gap defect states. Consequently, there is a need for a reliable, high-throughput method to extract sub-gap defect densities of states in amorphous oxide thin films. We present...
Resource Type:: Dissertation

Terahertz imaging and spectroscopy of carbon-based and semiconductor nanostructures

Creator:: Tomaino, Joseph L.
Abstract:: This thesis will cover work that I have completed relating to the field of terahertz (THz) science. My work has consisted of generating tunable, narrowband THz pulses in a table-top optical setup and using both narrow- and broadband THz pulses to study various material systems. Broadband THz pulses were used...
Resource Type:: Dissertation

Interlayer Electronic Interactions in Twisted and Stacked Bilayer Graphene

Creator:: Patel, Hiral
Abstract:: The photophysical properties of two-dimensional (2D) layered van der Waals (vdW) materials, and their heterostructures are manifestly distinct from crystalline bulk materials. Recently, the discovery of new 2D vdW materials and strongly-bound interlayer excitons in these materials has created a new branch in nanoscience. As such, there are a number...
Resource Type:: Dissertation

Gene Expression, Structure Elucidation, and Bioactivity of Aspergillus Natural Products

Creator:: Neuhaus, George F.
Abstract:: The study of natural products (NPs) and their application has shaped humanity. Starting with the idea of using plants as medicine, it has now grown into the science of purifying and identifying organic molecules from nature to study their inherent biological activities. Understanding the molecular structures of NPs is the...
Resource Type:: Dissertation
Full Text:: 10.1021/acs.jnatprod.9b00416). The final chapter presents a conclusion of the works presented

CoLocalized Excitation Emission Resolution : A CLEER approach for multicolor fluorescence analysis

Creator:: Almlie, C. Kyle
Abstract:: Fluorescence has proven to be a robust and powerful method of analysis in numerous fields: forensics, pharmaceutics, geology, food science, and environmental sciences have all developed a large collection of fluorescence instruments and methods to overcome application-specific challenges. Biological applications saw the same development of a fluorescence toolkit with methods...
Resource Type:: Dissertation

Reflection and Dissection in Engineering Education : Exploring Critical Elements of Active Learning and their Roles in Course Structures

Creator:: Keeler, Jessie
Abstract:: This thesis focuses on active learning through four different studies that include metacognitive and cognitive aspects of learning designs to support active learning and a contextual analysis of the implementation of teaching tools used in active learning. The first three investigate important elements of active learning whereas the fourth study...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Per- and Polyfluoroalkyl Substances (PFAS) in Environmental Air-Water Matrices and Light Non-Aqueous Phase Liquids (LNAPL)

Liquid-gated carbon nanotube transistor noise sources and sensitivity limits

Scanning photocurrent microscopy study of photovoltaic and thermoelectric effects in individual single-walled carbon nanotubes

Unique Structural Properties and Motifs of Metal-Oxides from Solids to Clusters

Electronic and Optical Properties of Defects in Amorphous Oxide and Transition Metal Dichalcogenide Semiconductors

Terahertz imaging and spectroscopy of carbon-based and semiconductor nanostructures

Interlayer Electronic Interactions in Twisted and Stacked Bilayer Graphene

Gene Expression, Structure Elucidation, and Bioactivity of Aspergillus Natural Products

CoLocalized Excitation Emission Resolution : A CLEER approach for multicolor fluorescence analysis

Reflection and Dissection in Engineering Education : Exploring Critical Elements of Active Learning and their Roles in Course Structures

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