University of Nevada, Reno
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Chemical and Materials Engineering
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Chemical engineers and materials scientists use some of the world's smallest substances to tackle our biggest problems. From creating cleaner fuels to developing new materials that can be used in applications from aerospace to health care, chemical engineers and materials scientists use their knowledge of chemical processes and atomic structure to improve our world.
Theses and Dissertations for Chemical and Materials Engineering
Theses and Dissertations for Materials Science and Engineering
Posters for Chemical and Materials Engineering
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Presence of Li Clusters in Molten LiCl-Li
(2016)Molten mixtures of lithium chloride and metallic lithium are of significant interest in various metal oxide reduction processes. These solutions have been reported to exhibit seemingly anomalous physical characteristics ... -
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Effect of porosity and carbon composition on pore microstructure of magnesium/carbon nanotube composite foams
(2016)Three-dimensional (3D) pore microstructure was investigated for six types of carbon nanotube (CNT) reinforced magnesium (Mg) composite foams with various porosities (i.e. 29%, 39%, and 49%) and compositions (0.05 wt.% CNT ... -
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Hydrothermal carbonization of glucose in saline solution: sequestration of nutrients on carbonaceous materials
(2016)In this study, feasibility of selected nutrient sequestration during hydrothermal carbonization (HTC) was tested for three different HTC temperatures (180, 230, and 300 degrees C). To study the nutrient sequestration in ... -
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Mixed anionic surfactant-templated mesoporous silica nanoparticles for fluorescence detection of Fe3+
(2016)This work demonstrates a novel method for the synthesis of large pore mesoporous silica nanoparticles (MSNs) with a pore diameter of 10.3 nm and a particle diameter of similar to 50 nm based on the incorporation of mixed ... -
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Enhanced Performance of beta-Bi2O3 by In-Situ Photo-Conversion to Bi2O3-BiO2-x Composite Photoanode for Solar Water Splitting
(2016)Ordered nanoporous bismuth oxide layer consisting of metastable beta-Bi2O3 phase that showed n-type semiconductivity was synthesized by a simple electrochemical anodization of bismuth substrate. When the anodic nanoporous ... -
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Formation of polyelectrolyte multilayers: ionic strengths and growth regimes
(2016)This article presents a study of layer-by-layer (LbL) formation of poly-electrolyte multilayers (PEMs). Upon increasing ionic strength LbL growth patterns vary from linear for the lowest salt concentrations ([NaCl] = 0, ... -
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Hydrogen Induced Abrupt Structural Expansion at High Temperatures of a Ni32Nb28Zr30Cu10 Membrane for H-2 Purification
(2016)Ni-Nb-Zr amorphous membranes, prepared by melt-spinning, show great potential for replacing crystalline Pd-based materials in the field of hydrogen purification to an ultrapure grade (>99.999%). In this study, we investigate ... -
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Effect of Metallic Li on the Corrosion Behavior of Inconel 625 in Molten LiCl-Li2O-Li
(Journal of The Electrochemical Society, 2019)The corrosion behavior of Inconel 625 in molten LiCl solutions maintained at 650 degrees C and containing various quantities of Li2O and metallic Li was studied for possible application in the electroreduction of used ... -
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Effect of Metallic Li on the Surface Chemistry of Inconel 625 Exposed to Molten LiCl-Li2O-Li
(Journal of The Electrochemical Society, 2019)This study explores the surface chemistry of Inconel 625 samples exposed to molten LiCl-Li2O-Li solutions at 650 degrees C for 500 and 1000hr and aims to understand the effect of solvated Li on corrosion behavior in molten ... -
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Interaction of Hydrogen with MB6 (M = Ba, Ca, La, and Sr) Surfaces from First Principles
(ACS Omega, 2019)We show results of basic energetics and interacting behavior of hydrogen with metal hexaboride surfaces using a combination of self-consistent density functional calculations and dynamics based on the Car-Parrinello method. ... -
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Atomic structure and mechanical response of coincident stacking faults in boron suboxide
(Materials Research Letters, 2019)We report the atomic structure of coincident stacking faults (SFs) in superhard boron suboxide (B6O) by combining annular bright field scanning transmission electron microscopy and quantum mechanics (QM) simulations. ... -
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The Photoelectrochemical and Photocatalytic Properties of Tantalum Oxide and Tantalum Nitride
(Journal of The Electrochemical Society, 2019)The surfactant-assisted synthesis of tantalum oxide nanoparticles (Ta2O5), its subsequent nitridation to form tantalum nitride (Ta3N5), and the evaluation of the photoactivity of these nanoparticles, are presented. The ... -
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Light irradiation induced brittle-to-ductile and ductile-to-brittle transition in inorganic semiconductors
(Physical Review B, 2019)The intrinsic brittleness of inorganic semiconductors prevents them from extended engineering applications under extreme conditions of high temperature and pressure, making it essential to improve their ductility. Here, ... -
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Superstrengthening Bi2Te3 through Nanotwinning
(2017)Bismuth telluride (Bi2Te3) based thermoelectric (TE) materials have been commercialized successfully as solid-state power generators, but their low mechanical strength suggests that these materials may not be reliable for ... -
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Hydrothermal carbonization of glucose in saline solution: sequestration of nutrients on carbonaceous materials (vol 4, pg 173, 2016)
(2018)In this study, feasibility of selected nutrient sequestration during hydrothermal carbonization (HTC) was tested for three different HTC temperatures (180, 230, and 300 °C). To study the nutrient sequestration in solid ... -
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Ductile deformation mechanism in semiconductor alpha-Ag2S
(2018)Inorganic semiconductor alpha-Ag2S exhibits a metal-like ductile behavior at room temperature, but the origin of this high ductility has not been fully explored yet. Based on density function theory simulations on the ... -
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Determining the Quality Factor of Dielectric Ceramic Mixtures with Dielectric Constants in the Microwave Frequency Range
(2017)Microwave dielectric ceramic materials are extensively utilized in microwave applications because of their high dielectric constants and quality factors. These applications also require ceramics of zero temperature ... -
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Probing nanoscale damage gradients in ion-irradiated metals using spherical nanoindentation
(2017)We discuss and demonstrate the application of recently developed spherical nanoindentation stress-strain protocols in characterizing the mechanical behavior of tungsten polycrystalline samples with ion-irradiated surfaces. ... -
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Shear-induced mechanical failure of beta-Ga2O3 from quantum mechanics simulations
(2017)Monoclinic gallium oxide (beta-Ga2O3) has important applications in power devices and deep UV optoelectronic devices because of such novel properties as a wide band gap, high breakdown electric field, and a wide range of ... -
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Icosahedra clustering and short range order in Ni-Nb-Zr amorphous membranes
(2018)Crystalline Pd/Pd-Ag membranes are widely used for hydrogen separation from CO2 and other gases in power generation applications. To substitute these high cost noble metal alloy membranes, the Ni-Nb-Zr amorphous alloys are ...
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