Browsing Materials science and engineering by Title
Now showing items 116-135 of 171
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N-type Organic Field Effect Transistor Based on Caffeine Derivatives
Field effect transistors, one of the most popular electronic devices, have drawn much attention due to their wide application in integrated circuits. Compared to the inorganic silicon-based FETs, organic field effect ... -
Novel Polymeric Materials for the Additive Manufacturing of Microwave Devices
The past decade has seen a rapid increase in the deployment of additive manufacturing (AM) due to the perceived benefits of lower cost, higher quality, and a smaller environmental footprint. And while the hardware behind ... -
Optics and Optoelectronics of Atomically Thin Magnets and Semiconductors
Since the discovery of graphene, layered van der Waals materials have become one of the most active subjects of study. The array of available atomically thin materials has expanded rapidly beyond graphene, encompassing a ... -
Optics and Optoelectronics of Two-dimensional Semiconducting Monolayers and Heterostructures
Until recently, the physics of truly two-dimensional (2D) excitons could only be explored theoretically. Following the discovery of graphene, many 2D materials were quickly identified and isolated, one system being the ... -
Organic Field Effect Transistors: Interfacial Modification, Dielectric Properties Control, and Semiconductor Molecular Design
(2012-09-13)In recent years, organic electronics have become a field of interest in both academic and industrial settings. Through the integration of semiconducting organic small molecules/polymers into existing device architectures ... -
Organic Semiconducing Thin Films: Device Applications and Beyond
Organic semiconductors show great promise for device applications, particularly as organic thin film transistors (OTFTs) and organic photovoltaics (OPVs), due to their potential for low cost, high volume fabrication when ... -
Organically modified vanadium pentoxide as cathode for aqueous zinc ion batteries
Aqueous zinc ion batteries (ZIBs) have attracted a lot of attention due to its environment-friendly, safe, easy to assemble, low-cost, and high capacity. Among the various ZIBs cathode materials, vanadium-based oxides have ... -
Origins of Variability in Electron Beam Powder Bed Fusion of Ti6Al4V
Additive Manufacturing (AM) processes for metals are advancing at a rapid pace. Among manyattractive qualities, AM relaxes design constraints, enables customization and can significantly reduce material waste in comparison ... -
P-type and N-type Semiconducting Thiophene Copolymers for Organic Electronic Applications
(2012-09-13)There has been considerable research in the pursuit of organic materials to replace inorganic materials in electronic applications because of their advantages in being light weight, flexible, and solution processable over ... -
Peptide-guided Dental Tissue Regeneration for Oral Care
Oral diseases are one of the most prevalent health problems that affect quality of life and well-being. These diseases include: (1) Demineralization-related dental conditions such as hypersensitivity, caries, white spot ... -
Phase stability and processing of Sr and Mg doped lanthanum gallate
(2000)Fuel Cells are one of the most promising energy transformers with respect to ecological and environmental issues. Solid Oxide Fuel Cells (SOFC) are all solid-state devices. One of the challenges to improve a SOFC is to ... -
Polydopamine and Polydopamine-Glutaraldehyde Materials; Film and Particle Synthesis, Surface Modification, and Varying Behavior in an Optical Trap
Materials derived from polydopamine are multifunctional and it is easily deposited on many surfaces because of highly reactive amine and indole chemistry. The structure of dopamine confers it both negative and positive ... -
Polymer Derived Silicon Carbide Ceramics for Nuclear Applications
The next generation of nuclear fission and fusion reactors depends upon the development of high performance structural materials. Silicon carbide (SiC) is being considered for a variety of nuclear reactor components because ... -
Potential of compositional complex oxide in reversible electrochemical energy storage
Compositional complex or high entropy materials, due to their unique phase stabilization mechanism, have ushered exciting research opportunities for material property design on many fronts, and perhaps more importantly, ... -
Powder Reuse in Electron Beam Melting Additive Manufacturing of Ti6Al4V: Particle Microstructure, Oxygen Content and Mechanical Properties
Metal Additive Manufacturing (AM) is being adopted in the aerospace and orthopedic industries. While the cost of powder feedstock has raised interest in reusing unmelted powder in subsequent builds, powder reuse could ... -
Printable, Stretchable Liquid Metal Conductors Based on EGaIn-Ecoflex Composites
Liquid metal elastomer composite (LMEC) brings unique advantages for soft and stretchable electronics by patterning flexible electrical circuitry. By incorporating 3D printing technology, seamless design configuration with ... -
Printed Electromechanical Sensors
Printed electronics refers to the additive manufacture of devices with single or multiple functionalities via the deposition of inks onto flexible or deformable surfaces. This dissertation aims to utilize functional, ... -
Processing and Microfabrication of Self-Assembled Chitin Nanofibers and Composites
Chitin (poly-(1,4)-N-acetyl-D-glucosamine) is the second most abundant natural polysaccharide after cellulose and is synthesized by a number of living organisms. Due to strong intermolecular hydrogen bonds, chitin is ... -
Processing and Optical Engineering of Polymer-Fullerene Solar Cells Towards High Efficiency and Environmentally Friendly Fabrication for Real-Life Applications
Facing the tremendous challenges of energy shortage and global warming, embracing renewable energies is an obvious choice and necessary action. Solar energy is arguably the most important source of renewable energy. Organic ... -
Processing, Microstructure, and Mechanical Properties of Si3N4/SiC Nanocomposites from Precursor Derived Ceramics
Polymer-derived ceramics (PDCs) provides a unique processing route to create Si3N4/SiC composites. Silazane precursor polyureasilazane (Ceraset PURS20) produce’s an amorphous SiCN ceramic at temperatures of ~800 – 1200 ...