Index Catalog // ScholarsArchive@OSU

On the Properties and Characteristics of Solution Processed Hafnium Based Thin-Films from Aqueous Precursors

Creator:: Decker, Shawn R.
Abstract:: Aqueous hydroxo Hf nanoclusters enable studies to identify and codify steps in the deposition of Hf-based oxide thin films from solution precursors. HfOCl2 reacts with combinations of H2O2(aq), acids, and TMAH to produce polymetal species at high pH and low pH. X-ray scattering and spectroscopic methods reveal the nature of...
Resource Type:: Dissertation
Full Text:: Processed Hafnium Based Thin Films from Aqueous Precursors by Shawn R. Decker A

Metal-oxo Clusters as Novel Photolithographic Materials: How Understanding the Chemistry of HafSOx Informs Next-Generation Patterning Systems

Creator:: Amador, Jenn M.
Abstract:: The solution chemistry and kinetic behavior of hafnium peroxy sulfate solutions ("HafSOx") is described in terms of peroxide content and solution speciation. Additionally, thin film behavior, including thermal behavior and solubility, is characterized, and a mechanism of patterning is presented, as well as parameters that should be considered when looking...
Resource Type:: Dissertation
Full Text:: instrument support and data analysis. Chapter 4 is taken from a joint publication with co-author Shawn

New multi-functional chalcogenides for photovoltaic and thermoelectric materials

Creator:: Heo, Jaeseok
Abstract:: The subject of this PhD thesis is part of a research domain of great present interest in new semiconductor materials for photovoltaic and thermoelectric applications. This domain contains the elaboration and the study of both Cu-based chalcogenides bulk and thin-film samples, driven by materials design principles. One of the most...
Resource Type:: Dissertation
Full Text:: , filled triangle), and thermopower (S, open triangle) as a function of Mn concentration in Cu12

Investigation of the structural influence on the properties of functional inorganic oxides

Creator:: Laurita-Plankis, Geneva
Abstract:: While properties are extremely important from an application point of view, it is crucial to have a detailed understanding of the underlying structural influence. Once a concrete correlation between the structure and the observed property is established, rational design of novel materials with optimized properties can be realized. These optimized...
Resource Type:: Dissertation
Full Text:: manuscript on which this Appendix is based on: Heo , J., Laurita, G., Muir, S., Subramanian, M. A., and

Aqueous niobium chemistry at low pH : new precursors for oxide thin films

Creator:: Park, Deok-Hie
Abstract:: Phosphate and peroxide stabilize new oxo-hydroxo niobium clusters in water at low pH. The clusters open a new chapter in aqueous niobium chemistry under acidic conditions. The clusters also produce atomically smooth, amorphous niobium oxide phosphate (NbPOx) thin films. Reaction pathways from cluster solutions to amorphous niobium oxide phosphate solids...
Resource Type:: Dissertation
Full Text:: the 21st Century. Dalt. Trans. 2011, 40, 8049–8058. (2) Jain, A.; Ong, S. P.; Hautier, G

Chemistry of High-Resolution Organotin Patterning Materials

Creator:: Kenane, Nizan
Abstract:: Organotin clusters have attracted notable attention for use as inorganic photoresists. This dissertation discerns dimeric and dodecameric organotin clusters, [(n-C₄H₉Sn)(OH)(H₂O)Cl₂]₂ (Sn₂) and [(n-C₄H₉Sn)₁₂O₁₄ (OH)₆ ]+ (Sn₁₂), both of which are stable hydrolysis and condensation products of n-C₄H₉SnCl₃. This work identifies Sn₂ as a superior precursor choice for solution deposition of...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ Douglas A. Keszler Organotin clusters have attracted notable attention for use as

Studies of low melting 1-methyl-3-ethylimidazolium chlorocuprate(I) fused salts

Creator:: Bolkan, Steven A.
Resource Type:: Dissertation
Full Text:: and over the temperature range 25 to 50°C. The viscosity 77 goes through a minimum and the specific

Centrifugal Partition Chromatography, Microfabrication, and a Smartphone-based Detection Platform : Analytical Chemistry from Preparative-scale Separation to Micro-scale Analysis

Creator:: Boonloed, Anukul
Abstract:: Analytical chemistry is an area of chemistry primarily focused on the study and use of instruments for separation, identification, and quantification of an analyte of interest. Specifically, separation science within analytical chemistry often refers to the process of dividing mixtures into their small component parts based on differences in their...
Resource Type:: Dissertation
Full Text:: terminated in a 1 mm diameter reservoir: buffer reservoir (B), buffer waste (BW), sample reservoir (S

Carbon Nanodots as Biolabels for Fluorescence Immunoassays

Creator:: Wu, Yuanyuan
Abstract:: There has been a tremendous growth in interest in carbon nanodots (C-dots) in the past several years. As a nascent nanomaterial, C-dots have shown great promise in applications that benefit from their superior water dispersibility, low toxicity, non-blinking fluorescent output, chemical and biological compatibility, ease of functionalization and resistance to...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ Vincent T. Remcho There has been a tremendous growth in interest in carbon nanodots (C

Synthesis and characterization of aluminum oxide based materials - from molecule to device

Creator:: Wang, Wei
Abstract:: A scalable synthesis of the "flat" tridecameric inorganic cluster [Al₁₃(μ₃-OH)₆(μ-OH)₁₈(H₂O)₂₄]¹⁵⁺ has been realized by treating an aqueous aluminum nitrate solution with zinc-metal powder at room temperature. Single crystals and polycrystalline samples are readily obtained in yields exceeding 55% relative to the starting reagent Al(NO₃)₃. Products have been characterized by X-ray...
Resource Type:: Dissertation
Full Text:: Douglas A. Keszler A scalable synthesis of the “flat” tridecameric inorganic cluster [Al13(μ3-OH)6

ScholarsArchive@OSU

On the Properties and Characteristics of Solution Processed Hafnium Based Thin-Films from Aqueous Precursors

Metal-oxo Clusters as Novel Photolithographic Materials: How Understanding the Chemistry of HafSOx Informs Next-Generation Patterning Systems

New multi-functional chalcogenides for photovoltaic and thermoelectric materials

Investigation of the structural influence on the properties of functional inorganic oxides

Aqueous niobium chemistry at low pH : new precursors for oxide thin films

Chemistry of High-Resolution Organotin Patterning Materials

Studies of low melting 1-methyl-3-ethylimidazolium chlorocuprate(I) fused salts

Centrifugal Partition Chromatography, Microfabrication, and a Smartphone-based Detection Platform : Analytical Chemistry from Preparative-scale Separation to Micro-scale Analysis

Carbon Nanodots as Biolabels for Fluorescence Immunoassays

Synthesis and characterization of aluminum oxide based materials - from molecule to device

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