Browsing Theses by Subject "Graphene"
Now showing items 1-20 of 20
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Additive Manufacturing of Graphene-based Devices
(University of Waterloo, 2017-01-19)Additive manufacturing (AM) introduces a new era for the fabrication of 3D structures. AM, as an emerging and disruptive manufacturing technology, has the potential to be employed for fabrication of polymeric, metallic, ... -
Advanced Carbon Nanomaterials as Non-Precious Metal Catalysts for Fuel Cells
(University of Waterloo, 2017-08-24)Polymer electrolyte membrane fuel cells (PEMFCs) are electrochemical devices that efficiently convert hydrogen and oxygen into electricity and water. Their clean point of operation emissions and continuous operation have ... -
Applications of Raman Spectroscopy
(University of Waterloo, 2014-08-22)This thesis is devoted to exploring experimental applications of Raman spectroscopy. The ability of Raman spectroscopy to investigate the vibrational modes of a molecule was explored in several studies. The work included ... -
The Characterization of Graphene Paper for Flexible Electronics Application
(University of Waterloo, 2016-09-29)Graphene has been gaining attention mainly because of its exceptional electrical and mechanical properties. Mono layer graphene with its planar hexagonal lattice structure is transparent and flexible. Together with its ... -
Design and Construction of Graphene-Based Advanced Materials for Emerging Concept Supercapacitors
(University of Waterloo, 2020-09-25)Supercapacitors (SCs) as a new class of energy storage devices have attracted great attention in industry and academia community due to their higher energy density than dielectric capacitors, higher power density than ... -
Desulfurization by Metal Oxide/Graphene Composites
(University of Waterloo, 2014-04-23)Desulfurization of liquid and gas phase sulfur compounds has been receiving dramatic attention since sulfur compounds cause environmental damages (especially acid rain) and pose industrial challenges (i.e. corrosion of ... -
Development of Highly Anti-Corrosive and Mechanically Improved Graphene-Based Polyurethane Nanocomposites for the Application of Pipeliners in Oil Sands Transportation
(University of Waterloo, 2020-02-20)In contemporary composite science, polymer nanocomposites are the promising functional materials in the research field. Among them, the nano-sized filler, graphene, supplements the flaws of polymeric materials with their ... -
Development of Improved Graphene Production and Three-dimensional Architecture for Application in Electrochemical Capacitors
(University of Waterloo, 2013-08-30)Increasing energy demand makes the development of higher energy storage batteries, imperative. However, one of the major advantages of fossil fuels as an energy source is they can provide variably large quantities of power ... -
Engineered Nano-Architectures as Advanced Anode Materials for Next Generation Lithium Ion Batteries
(University of Waterloo, 2014-12-15)Li-ion batteries have a predominant market share as mobile energy storage devices, especially in consumer electronics. New concepts for electrode material designs are, however, necessary to boost their energy and power ... -
Evaluation of Hybrid Electrically Conductive Adhesives
(University of Waterloo, 2016-10-13)An electrically conductive adhesive (ECA) is a composite material acting as a conductive paste, which consists of a thermoset loaded with conductive fillers (typically silver (Ag)). Many works that focus on this line of ... -
Fabrication of 2D materials via novel laser treatment processes and their implementation in optoelectronic applications
(University of Waterloo, 2020-06-01)Pulsed laser treatment of 2D materials is becoming increasingly popular due to the simple and efficient nature of the treatment process. In this thesis, the femtosecond laser treatment methods of 2D materials to fabricate ... -
Femtosecond Laser Interaction with Graphene Oxide Aqueous Solution
(University of Waterloo, 2015-09-23)In this study fs pulsed laser of wavelength 800 nm was used to reduce two sets of aqueous graphene oxide solution namely low (0.5 mg/mL) and high concentration (6.2 mg/mL). It was found that after fs laser treatment the ... -
Graphene Encapsulation for Cells: A Bio-Sensing and Device Platform
(University of Waterloo, 2014-04-30)The generation of new nanoscale fabrication techniques is both novel and necessary for the generation of new devices and new materials. Graphene, a heavily studied and versatile material, provides new avenues to generate ... -
Graphene Oxide Femto Gel Photodetector
(University of Waterloo, 2016-06-29)Due to its unique optical (electrical) properties such as wide-range absorbance of wavelength, and high carrier mobility, graphene becomes a promising candidate for photodetector devices. The ability to tune the band gap, ... -
Graphene travelling wave amplifier for integrated millimeter-wave/terahertz systems
(University of Waterloo, 2018-10-09)Terahertz (THz) technology offers exciting possibilities for various applications, including high resolution biomedical imaging, long-wavelength spectroscopy, security monitoring, communications, quality control, and process ... -
Graphene-Assisted Integrated Nonlinear Optics
(University of Waterloo, 2018-03-09)The unique linear and massless band structure of graphene in a purely two-dimensional Dirac fermionic structure has ignited intense research since the first monolayer graphene was isolated in the laboratory. Not only ... -
Graphene-Based Nanophotonic Structures
(University of Waterloo, 2016-08-31)Terahertz (THz) technology offers a rich playground for a vast number of research topics and applications. High resolution imaging for biomedical applications, long-wavelength spectroscopy for interstellar applications, ... -
The Interactions of Graphene with Ionic Solutions and Their Effects on the Differential Capacitance for Sensing Applications
(University of Waterloo, 2019-08-28)Nano-scale devices continue to challenge the theoretical understanding of microscopic systems. Of particular interest is the characterization of the interface electrochemistry of sensors, which operate as field effect ... -
Oil Adsorption Performance and Efficiency Study on Novel Silane Functionalized Graphene Polyurethane Sponge
(University of Waterloo, 2017-08-30)Oil-water separation has been vital in many aspects of our society’s operations. This is particularly highlighted during the environmental cleanups of industrial oily wastes and disasters involving petroleum oil spills. ... -
Synthesis and Application of Graphene Decorated Nanocomposites for Photovoltaics and Printed Electronics
(University of Waterloo, 2019-08-07)Improving the yield performance of commercial solar cells has been a major topic of interest for many research studies as different processing parameters are extensively explored. Screen printing metallization is the most ...