Index Catalog // ScholarsArchive@OSU

Iron and copper chalcogenides : photovoltaic absorber candidates and YZrF7 : a new upconversion host, Iron and copper chalcogenides : photovoltaic absorber candidates and YZrF₇ : a new upconversion host

Creator:: Jieratum, Vorranutch
Abstract:: The materials Fe₂(Si,Ge)(S,Se)₄, Cu₃PS[subscript 4-x]Se[subscript x] (0 ≤ x ≤ 4), and Cu₃PxAs[subscript 1-x]S₄ (0 ≤ x ≤ 1) have been synthesized and studied as new earth-abundant absorbers for single and multijunction photovoltaic cells as well as solar fuel generation. The synthesis, single-crystal growth, and optical and electrical properties of...
Resource Type:: Dissertation
Full Text:: Candidates and YZrF7: A New Upconversion Host Abstract approved

Deposition and characterization of transition metal oxides from aqueous solution

Creator:: Betterton, Sharon A.
Abstract:: The aqueous chemistries of two transition metal cations, Zr⁴⁺ and Nb⁵⁺, are examined and then used to develop inorganic precursor solutions. The oxides of these cations (ZrO₂ and Nb₂O₅) are deposited and characterized, and their morphological and optical properties discussed. Due to the obstacles created by niobium's aqueous chemistry, an...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Sharon A

Wide band gap semiconductors and insulators : synthesis, processing and characterization

Creator:: Hersh, Peter A.
Abstract:: The work presented here is focused on applying basic principles of solid-state chemistry to the study and development of new wide band-gap semiconductors and insulators for photovoltaic and electronic-device applications. Analysis of crystal structure, band structure, optical band gap, morphology and transport properties provides fundamental insight into materials performance as...
Resource Type:: Dissertation
Full Text:: Photovoltaic and Semiconductor Processes AN ABSTRACT OF THE DISSERTATION OF Peter A. Hersh for the

Using Computational Studies to Characterize Aqueous Metal Clusters : From Spectroscopy to Stability

Creator:: Wills, Lindsay A.
Abstract:: In this dissertation, the spectroscopic properties and thermodynamic stability of a class of materials known as metal oxo and hydroxo clusters are studied. In aqueous solutions, many metals can aggregate into discrete clusters of metals bridged by oxo or hydroxo ligands. These clusters are of particular interest to us for...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Lindsay A. Wills for the degree of Doctor of Philosophy in Chemistry presented on June 29

Organic/Inorganic Hybrid Materials of Uranyl Peroxide Clusters and Uranium Minerals

Creator:: Neal, Harrison A.
Abstract:: Frontier research of non-aqueous actinide clusters is discussed. Since the inception of the uranyl peroxide clusters over the last decade, they have only been synthesized and characterized as solid crystals and in aqueous solution. This thesis provides thorough characterization of aqueous uranyl clusters and the first demonstration of uranyl cluster...
Resource Type:: Dissertation
Full Text:: of clusters. Research of uranyl peroxide clusters in the organic phase have led to discoveries of a

Porous metal-organic materials for gas capture

Creator:: Rookard, Tanner Daniel
Abstract:: Metal-organic polyhedra (MOPs) are discrete molecules comprised of a metal and interconnecting ligands. The resulting MOP structures are porous cages, and to date, they have shown great promise toward gas capture. Ammonia is a hazardous gas that is produced in enormous quantities for use in fertilizers. In this talk, I...
Resource Type:: Capstone Project
Full Text:: .; Noone, K.; Persson, Å.; Chapin, F. S.; Lambin, E. F.; Lenton, T. M.; Scheffer, M.; Folke, C

Insights and Patterns from Quantitative and Statistical Analyses of Chemical Systems

Creator:: Grove, Markas Albert
Abstract:: The work presented here is the culmination of efforts in describing complex chemical systems with statistical methods, thereby providing relatively simple quantitative models and easily comprehensible qualitative insights. The following investigations have various goals, such as development of new methods, fundamental understanding, molecular control of chemical species, and advancement of...
Resource Type:: Dissertation
Full Text:: , D. A.; Persson, K. A.; Cheong, P. H.-Y. Group Additivity-Pourbaix Diagrams Advocate

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:: Sci. 2015, 226, 78–85. [5] Rauwel, P.; Rauwel, E.; Persson, C.; Sunding, M. F.; Galeckas, A

Synthesis and Solution Characterization of Metal-Oxo Photoresist Precursors

Creator:: Hutchison, Danielle C.
Abstract:: Metal-oxo clusters can be described as soluble pieces of metal-oxide frameworks. Currently, metal-oxo clusters are being considered as solution-based precursors for extreme ultraviolet (EUV, 13.5 nm) photoresist materials, which are a crucial component in the fabrication of microelectronic devices. Two different photoresist precursor systems have been investigated – alkyltin clusters...
Resource Type:: Dissertation
Full Text:: materials, which are a crucial component in the fabrication of microelectronic devices. Two different

X-ray structure studies of oriented phospholipid multilayers

Creator:: Lytz, Robert Keith
Abstract:: Lamellar x-ray diffraction was studied from thin films of L-α-1,2-dipalmitoyl lecithin (DPL) and a 1:1 mixture (BrDPL) of L-α-l-palmitoyl-2-(9- bromopaimitoyl) lecithin and its 10-bromo analog. The specimens had high lamellar order, with an upper bound on the mosaicity of 6 mrad (0.4°) for DPL and BrDPL. With various water contents,...
Resource Type:: Dissertation
Full Text:: thin films of L-a-1,2-dipalmitoyl lecithin (DPL) and a 1:1 mixture (BrDPL) of L- a- l- palmitoyl- 2

ScholarsArchive@OSU

Iron and copper chalcogenides : photovoltaic absorber candidates and YZrF7 : a new upconversion host, Iron and copper chalcogenides : photovoltaic absorber candidates and YZrF₇ : a new upconversion host

Deposition and characterization of transition metal oxides from aqueous solution

Wide band gap semiconductors and insulators : synthesis, processing and characterization

Using Computational Studies to Characterize Aqueous Metal Clusters : From Spectroscopy to Stability

Organic/Inorganic Hybrid Materials of Uranyl Peroxide Clusters and Uranium Minerals

Porous metal-organic materials for gas capture

Insights and Patterns from Quantitative and Statistical Analyses of Chemical Systems

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

Synthesis and Solution Characterization of Metal-Oxo Photoresist Precursors

X-ray structure studies of oriented phospholipid multilayers

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