Index Catalog // ScholarsArchive@OSU

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:: materials for electronic and energy applications. A series of pyrochlores Ag1-nxMnxSbO3 (M = Na+, K+, Tl

Electrochemical Advancement of Solid State Ion Selective Electrodes

Creator:: Bahro, Christopher
Abstract:: The general theme of this dissertation is the development of new analytical sensors to quantitatively study biological and environmental samples in aqueous and non-aqueous environments. A platinum ultramicroelectrode (UME) and a unique carbon-based pH microprobe were used to design a new SECM-based electrochemical bioassay. The Pt UME was used to...
Resource Type:: Dissertation
Full Text:: responses of 57.2 ± 0.2 mV/log [K+] and 28.5 ± 0.3 mV/log [Ca2+] while maintaining their respective

The Role of Materials Chemistry in Designing Advanced Color Inorganic Pigments

Creator:: Medina, Elena A.
Abstract:: The results of the research presented in this work are related to synthesis and investigations of novel color inorganic pigments having various structures and shades. Inorganic pigments play a major role in contemporary life. They are used in paints, rubber, plastic, cosmetics etc. Searching for new, stable, environmentally benign and...
Resource Type:: Dissertation
Full Text:: show paramagnetic behavior in the measured temperature region (5–300 K). All synthesized

Analytical Platform to Study Bacterial Metabolism and their Interactions with Biomaterials using SECM

Creator:: Sheet, Partha S.
Abstract:: The microbial communities play a crucial role in maintaining human health and cause diseases through very complex microbial chemical interactions. Therefore, these microbial communities have drawn much attention to the scientific communities. To elucidate these complex microbial communities and the chemical interactions within it, one or more isolated species of...
Resource Type:: Dissertation
Full Text:: presence of Na+ or K+ ions, which does not require Ca2+ ions. Hence, unlike the most used alginate

Luminescent properties of inorganic oxides

Creator:: Dahm, Kimberly Hockaday
Resource Type:: Masters Thesis
Full Text:: Phosphors 33 4.1 Luminescence Spectra of SrLiB9015: 1% Ce+3, 1% K+ 38 4.2 Luminescence Spectra of Sr

Copper and iron chalcogenides for efficient solar absorption

Creator:: Platt, Heather A. S.
Abstract:: This dissertation outlines two approaches for improving the efficiency and reducing the cost of photovoltaic energy generation. First, the structures of known binary copper and iron compounds are used to choose the promising compositions Fe₂XS₄ (X = Si, Ge), Cu₃TaQ₄ (Q = Se, Te), and BaCuQ'F (Q' = S, Se,...
Resource Type:: Dissertation
Full Text:: . Fiechter, C. Pettenkofer, N. Alonso-Vante, K. Buker, M. Bronold, C. Hopfner, and H. Tributsch. Iron

Substitutional Effects on the Electromechanical Properties of Lead-free, Piezoelectric (Na₀.₅Bi₀.₅)TiO₃-BaTiO₃ (NBT-BT)

Creator:: McQuade, Ryan R.
Abstract:: This work investigates the effect of cation substitution on the properties of the lead-free, solid solution (Na₀.₅Bi₀.₅)TiO₃-BaTiO₃ (NBT-BT). Substitution into NBT-BT increases disorder and increases the relaxor ferroelectric properties. These relaxor ferroelectric materials show large piezoelectric strains that can be utilized in actuator applications. Ceramic samples were prepared using standard...
Resource Type:: Dissertation

Phosphor development : synthesis, characterization, and chromatic control

Creator:: Li, Dong
Resource Type:: Dissertation
Full Text:: Y2SiO5:2 %Ce at 4 K and 298 K. k-exc = 300 nm 29 2.6. Thermal quenching of Y2SiO5:2 %Ce 30 2.7

Semiconductor Nanocrystals as Detection Components in Microfluidic Analytical Systems

Creator:: Pengpumkiat, Sumate
Abstract:: Miniaturized and portable microfluidic analytical platforms have been widely explored in the broad field of chemical analysis. The concept of microfluidics offer a number of important advantages, including low reagent consumption, low-cost detection, high sample throughput, and shorter analysis time. Semiconductor nanocrystals or quantum dots have been extensively utilized in...
Resource Type:: Dissertation
Full Text:: ) Reprinted from Current Opinion in Chemical Biology, 10, S. K. Shin, H. Yoon, Y. J. Jung, J. W. Park

Conformationally chiral diphenylethers and the enantioselective Ullmann etherification

Creator:: Salih, M. Quamar
Abstract:: Since the discovery of molecular chirality in 1848, this notion has had a substantial impact on medicine, biology, and chemistry. Extensive effort has been directed towards the construction of chiral molecules that contain sp³ hybridized stereogenic centers. In contrast, less effort has been dedicated to molecules that are chiral by...
Resource Type:: Dissertation
Full Text:: !diphenylethers! ! ! O W X Y Z O X W ZY k k=slow when; (W ≠ X, Y ≠ Z) (Y, W ≥ tBu)1.10 1.11 O 1.12 O

ScholarsArchive@OSU

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

Electrochemical Advancement of Solid State Ion Selective Electrodes

The Role of Materials Chemistry in Designing Advanced Color Inorganic Pigments

Analytical Platform to Study Bacterial Metabolism and their Interactions with Biomaterials using SECM

Luminescent properties of inorganic oxides

Copper and iron chalcogenides for efficient solar absorption

Substitutional Effects on the Electromechanical Properties of Lead-free, Piezoelectric (Na₀.₅Bi₀.₅)TiO₃-BaTiO₃ (NBT-BT)

Phosphor development : synthesis, characterization, and chromatic control

Semiconductor Nanocrystals as Detection Components in Microfluidic Analytical Systems

Conformationally chiral diphenylethers and the enantioselective Ullmann etherification

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