Browsing MS Theses - DO NOT EDIT by Issue Date
Now showing items 21-40 of 110
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Morphology And Cathode Optimization For Efficient Polymer Bulk Heterojunction Solar Cells
(Materials Science & Engineering, 2009-09-16)Efficiency of polymer bulk heterojunction solar cell is highly dependent on the active layer morphology and can be controlled by specific experimental conditions. In this work, the influences of P3HT:PCBM blend composition, ... -
Solution Processed Optical Coatings For Solar Cell Applications
(Materials Science & Engineering, 2009-09-16)In the recent past the demand for higher energy conversion efficiency of solar cells is on the rise. Extensive research is carrying out and many new methods have been proposed by changing either fabrication process or ... -
Tribological Behavior Of Nanocrystalline Metals Prepared By Surface Mechanical Attrition Treatment
(Materials Science & Engineering, 2009-09-16)Nanocrystalline materials have shown great promise for a number of engineering applications ranging from structural and electronics to biomaterials and drug delivery. Nanoscale grain structures can cause tremendous ... -
Mechanism Of Wear Protection Of Al-alloys Using XANES
(Materials Science & Engineering, 2009-09-16)The mechanism of wear protection of Al-Si alloys in wear tests using lubricants containing Zinc dialkyl-dithiophosphate (ZDDP), Dialkyl dithiophosphate (DDP) , Amine phosphates, Thiadiazole, Antimony 0, 0-dialkylphosphorodithioate ... -
Solar Selective Optical Coating Made With Metal Nanopaticles For Photovoltaic Thermal Applications
(Materials Science & Engineering, 2009-09-16)The goal of this research is to fabricate solar selective reflector with suitable optical properties and high thermal and chemical stability for using in the photovoltaic thermal window. While the reflector allows some ... -
Corrosion Behavior Of Zn-ni Coatings Deposited By Electrolytic Plasma Processing
(Materials Science & Engineering, 2009-09-16)In the current research project, three groups of Zn-Ni coatings of various Ni contents were deposited on comercial carbon steel by electrolytic plasma processing (EPP), a novel surface modification technique. The coating ... -
Fabrication And Characeterization Of Granular Magnetic Gold Nanoparticles
(Materials Science & Engineering, 2009-09-16)In recent years, gold and magnetic nanoparticles have showed great potential in biomedical applications. Magnetic nanoparticles can be used in both in- vivo and in-vitro applications such as drug and gene delivery, ... -
Negative Differential Resistance In Hydrated Deoxyribonucleic Acid Thin Films Mediated By Diffusion-limited Redox Reaction
(Materials Science & Engineering, 2010-03-03)The charge transport mechanisms in DNA proposed in the literature cover broad range of possibilities including molecular band conduction, superexchange, multistep hole hopping, and polaron hopping. The reason for the ... -
Corrosion And Leaching Study Of Low Copper (I) Oxide Paints For Antifouling Application
(Materials Science & Engineering, 2010-03-03)Global environmental concern/economy challenges necessitate innovation of AFP's with novel additives offering improved corrosion protection, and biofouling resistance. Dispersing large proportions (40-70%) of Cu/Cu2O in ... -
Synergistic And Antagonistic Effect Of Sulfur-based Additives On The Performance Of Greases With ZDDP And PTFE
(Materials Science & Engineering, 2010-03-03)Lithium-base greases constitute about 50% of the grease market. The current trend is towards developing greases with longer working life and wider application flexibility. To address this concern, greases are blended with ... -
Synthesis And Dip-pen Nanolithographical Patterning Of Ferrite Nanoparticles
(Materials Science & Engineering, 2010-03-03)Magnetic nanoparticles are of great interest for researchers from a wide range of disciplines, including magnetic fluids, catalysis, biotechnology/biomedicine, magnetic resonance imaging, data storage, and environmental ... -
Thioacetamide As A Sulfur Precursor For Chalcopyrite Thin Film Solar Cells
(Materials Science & Engineering, 2010-03-03)Chalcopyrite CuInS₂ (CIS) thin films have the potential to be used in low cost terrestrial photovoltaic applications. The band gap of CIS is around 1.5 eV [1] and it well matches with the solar spectrum. However, the ... -
Structural, Magnetic And Surface Properties Of RF Magnetron Sputtered Undoped Lanthanum Mangnite Thin Films
(Materials Science & Engineering, 2010-03-03)In the present study, polycrystalline and epitaxial undoped Lanthanum Manganite (LMO) thin films were deposited by using RF magnetron sputtering on three substrates, Si (100), MgO (100) and LaAlO₃ (100) to study the influence ... -
Synthesis And Tribological Properties Of DLC Film By RF PACVD: Effect Of Processing Parameters
(Materials Science & Engineering, 2010-07-19)Diamond-like carbon (DLC) films, have gained grounds in many industries ranging from automobile and oil and gas to electronics and bio fields due to their low friction and wear rate, chemical inertness and high hardness. ... -
Effect Of Aging On The Transformation Of Phases In Solder Joint Of PBGA Packaging
(Materials Science & Engineering, 2010-07-19)This study investigates the microstructural characteristics of 3.0Ag-0.5Cu-Sn (SAC305) solder joint as in assembled state, and their evolution with aging treatment at 100 and 150°C for various hours. Specific aim of the ... -
Formation Of Au Nanoparticles Through Reaction Of Na₃Au(SO₃)₂ By Electrochemically Evolved Hydrogen
(Materials Science & Engineering, 2010-07-19)Hydrogen evolution during electrochemical deposition has long been regarded as undesired and deliberately suppressed since small hydrogen bubbles could cause a rough surface of deposits. Here, we demonstrate a new role for ... -
Transmission Electron Microscopy Studies Of LaMnO₃ And La₁₋xSrxMnO₃Thin Films Grown On Various Substrates
(Materials Science & Engineering, 2010-07-19)LaMnO₃ (LMO) and La₁₋xSrxMnO₃ (LSMO) thin films with colossal magnetoresistance have attracted considerable interest for potential applications in many technological devices, such as magnetic sensors and read-head of ... -
Effect Of Reflow Variables On The Nanoscale Mechanical Properties Of Lead Free Solders
(Materials Science & Engineering, 2010-07-19)This study presents findings on the nano-mechanical properties of binary and ternary (Cu, Ag) - Sn Solders. Nanoindentation with a cube corner tip was used on Sn-Ag and SAC405 alloy compositions to investigate the effect ... -
Synthesis And Characterization Of Ferromagnetic Nanowires
(Materials Science & Engineering, 2011-03-03)Ferromagnetic nanocrystals with shape anisotropy have drawn great attention in the past decades because of their unique magnetic properties and for their potential applications in ultra-high-density magnetic recording ... -
Measurement Of The Spectral Distribution Of Low Energy Electrons Emitted As A Result Of NVV Auger Transitions In Ag (100)
(Materials Science & Engineering, 2011-03-03)Auger Photoelectron Coincidence Spectroscopy (APECS) was used to investigate the physics of the Low Energy Tail (LET) of the Auger spectrum of Ag (100) at the National Synchrotron Light Source, Brookhaven National Lab, New ...