Index Catalog // ScholarsArchive@OSU

Studies on new inorganic solid-state borates and oxoanion flourides

Creator:: Peterson, Gregory A. (Gregory Allen)
Resource Type:: Dissertation
Full Text:: that rely on materials research for the discovery and improvement of solid-state compounds required

Synthesis and study of transparent p- and n-type semiconductors and luminescent materials

Creator:: Park, Cheol-Hee
Abstract:: New transparent p- and n-type semiconductors and luminescent materials have been prepared and characterized. Synthesis, structures, optical and electrical properties of new chalcogenide fluoride p-type transparent semiconductors MCuQF (M=Ba, Sr; Q=S, Se, Te) are described. Band-gap tuning and improvement in conductivity through p-type doping are demonstrated in the family. The...
Resource Type:: Dissertation
Full Text:: . Woodward at Ohio State University, and Yi Zhou, Dr. Weiji Jia, and Dr. Richard Meltzer at University of

Reaction Pathways of Oxo-Hydroxo Group 5 Clusters to Metal Oxide Thin Films

Creator:: Mansergh, Ryan H.
Abstract:: Oxo-hydroxo Group 5 metal clusters are an untapped resource to study and advance aqueous solution processing of metal oxide thin films. The tetramethylammonium (TMA) hexatantalate salt (TMA6[H2Ta6O19]) yields dense Ta2O5 films (~95% of the bulk ß-Ta2O5 density) with atomically smooth surfaces (<4 Å root mean square surface roughness). This same...
Resource Type:: Dissertation
Full Text:: . An Aqueous Route to [Ta6O19] 8- and Solid-State Studies of Isostructural Niobium and Tantalum

Synthesis and study of oxides and chalcogenides : thin films and crystals

Creator:: Park, Sangmoon
Abstract:: Several types of solid-state inorganic materials are prepared and characterized. By using the SILAR (Successive Ionic Layer Adsorption and Reaction) deposition method in conjunction with hydrothermal dehydration both low-temperature deposition and crystallization of oxide thin films are achieved. Various aspects of new transparent p-type materials are studied by examining both...
Resource Type:: Dissertation
Full Text:: Chalcogenides: Thin Films and Crystals. Abstract approved: Douglas A. Keszler Several types of solid-state

Luminescent sulfides and solution-deposited oxide thin films

Creator:: Anderson, Jeremy T.
Abstract:: Solid state luminescent sulfides are prepared as powders in order to elucidate the relationship between structure and light emission. While the sulfides studied in this dissertation are known phosphors, materials are investigated in a variety of new ways. Elementary properties and structures of MgS are reviewed, and preparation of MgS...
Resource Type:: Dissertation
Full Text:: property trends and develop theories of solid state science. Because lightly doped MgS luminesces with

Photoresist and ion-exchange chemistry of HafSOx

Creator:: Telecky, Alan J.
Abstract:: The chemistry of hafnium oxide based and materials are described in the context of ion exchange and lithography. HafSOx, represented by the composition HfO₂₋[subscript x](SO₄)x, is described to possess a significant capacity towards ion exchange in acidic and basic solutions, enabling films of HafSOx to be cleanly and readily be...
Resource Type:: Dissertation
Full Text:: potential interest in materials science and solid state chemistry lay unexplored before engaging in

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:: . Deposition and Characterization of Transition Metal Oxides from Aqueous Solution. M.S. Thesis, Oregon State

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:: level study and research, not to mention his advice and unsurpassed knowledge of solid-state

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:: have learned a much from his deep understanding of fundamental solid-state and solution-coordination

Synthesis and characterization of new optical frequency converters and phosphor hosts

Creator:: Akella, Annapoorna
Resource Type:: Dissertation
Full Text:: oxidation state. The crystal structure of the new silicate Li4SrCa(SiO4)2 and the optical properties of

ScholarsArchive@OSU

Studies on new inorganic solid-state borates and oxoanion flourides

Synthesis and study of transparent p- and n-type semiconductors and luminescent materials

Reaction Pathways of Oxo-Hydroxo Group 5 Clusters to Metal Oxide Thin Films

Synthesis and study of oxides and chalcogenides : thin films and crystals

Luminescent sulfides and solution-deposited oxide thin films

Photoresist and ion-exchange chemistry of HafSOx

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

New multi-functional chalcogenides for photovoltaic and thermoelectric materials

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

Synthesis and characterization of new optical frequency converters and phosphor hosts

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