Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 18 of 18 for “"graphene synthesis"”.
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Data-driven graphene synthesis and additive manufacturing
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2027-05-01
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CU-CATALYZED CHEMICAL VAPOUR DEPOSITION OF GRAPHENE: SYNTHESIS, CHARACTERIZATION AND GROWTH KINETICS
Graphene is a two dimensional carbon material whose outstanding properties have been envisaged for a variety of applications. Cu-catalyzed chemical vapour deposition (Cu-CVD) is promising for large scale production of high quality monolayer graphene. But the existing Cu-CVD technology is not ready …
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Design and fabrication of the microcantilever heater for rapid chemical vapor deposition graphene synthesis
… heater for rapid chemical vapor deposition (CVD) graphene synthesis. Two types of 300 nm thick catalytic metals, copper and nickel, are integrated into the heater region ranging from 5 by 5 μm to 20 by 12 μm in size. The microcantilever heater is thermally actuated by Joule heating. The fabricated …
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Application of Equilibrium-based PAH Adsorption to Modelling Graphene Synthesis in a Microwave-Assisted Plasma Reactor
Graphene is a new material with potential to significantly impact many applications due to its unique physical and chemical properties. However, the commercialization of graphene is impeded by issues in graphene mass production. Recently, a potential production method that uses a microwave-assisted …
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Data-driven materials design
… a platform to collect, analyze and learn from graphene synthesis data collected from the research community. For experimental tools, I construct an artificial neural network model to automatically detect regions of electron microscopy images that contain graphene. Computational tools. I explore …
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Physics-informed data-driven frameworks for materials discovery
… learning framework tailored to understand the synthesis process of flash graphene. Leveraging advanced algorithms and data-driven approaches, this framework facilitates a deeper comprehension of the intricate mechanisms involved in flash graphene synthesis, thereby offering valuable insights …
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Advances in the CVD growth of graphene for electronics applications
Graphene, a monoatomic sheet of graphite, has recently received significant attention because of its potential impact in a wide variety of research areas. This thesis presents progress on improving the quality of graphene for electronics applications. An analysis tool was developed that provides a …
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White Graphene Nanostructured Magnetic Sorbents for Oil-spill Cleanup: Synthesis and Performance Evaluation
… for manufacturing nanostructured magnetic white graphene sponges and its performance evaluation for effective water cleaning. Optimized synthesis protocol takes into consideration new findings related to the composition and porosity change during the white graphene synthesis steps. The proposed …
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Analysis of the materials and energy cost to manufacture graphene by roll-based chemical vapor deposition
A single layer of graphite, called graphene, has immense promise as a material. Despite being essentially two-dimensional, graphene is stronger than steel in tension. The material has extremely high electron mobilities even at room temperature. It can be used as a filter and has the added benefit …
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Preparation and Characterization of Hydrophobic Graphene-Based Thin Films
Since the ``Scotch tape" discovery of graphene synthesis over a decade ago there has been significant interest in the industrial scale-up of graphene production, with the understanding that the material's exceptional physical and electrical properties could be used to enhance finished products. One …
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Atomic-scale assessment of graphene-substrate interactions, grain boundaries, and materials for heterostructures
… limitations and barriers to integration of graphene into scalable nanoelectronic devices, primarily defects from wafer-scale graphene synthesis, graphene-substrate interactions, and growth of graphene’s insulating analog, hexagonal boron nitride (h-BN). These experimental studies are …
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Synthesis and Applications of Large-Area Monolayer Graphene
Graphene, renowned for its exceptional electrical, mechanical, and chemical properties, is a promising candidate for next-generation electronics, photonics, and biosensing. However, realizing its full potential depends critically on the ability to synthesize high-quality monolayer graphene. In this …
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Large-Scale Graphene Film Deposition for Monolithic Device Fabrication
… a new platform material to replace Si.</p> <p>Graphene is considered a promising material with enormous potential applications in many electronic and optoelectronics devices due to its superior properties.</p> <p>There are several techniques to produce graphene films. Among these techniques, …
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Assessment of graphene-related materials in supercapacitors
… Among the wide variety of carbon materials, graphene has recently emerged as the best candidate for SC electrodes. Its high theoretical surface area and outstanding electrical conductivity result key features for this application. In spite of the potential of graphene, its implementation in …
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Formation of three-dimensional graphene structures by controlled thermal activation of polymeric shape memory substrates
… three-dimensional (3D) texturing of graphene and graphite by using thermally-activated shape-memory polymers as the underlying substrate and the material characterizations thereof. Uniform, large area arrays of textured 3D graphene crumple features can be created on the centimeter …
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Synthesis, characterization and modification of carbon nanomaterials
… in order to gain better control in the synthesis and modification of carbon nanomaterials. Controlled growth of the CNT is achieved using gas-phase prepared catalyst particles (Fe, Co) which serve as individual catalytic nucleation sites in a chemical vapor deposition (CVD) process. …
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Development of Graphene Based Gas Sensors
Graphene is a two dimensional structure of sp2 hybridized carbon atoms arranged in a hexagonal structure. The use of graphene in any application begins with the challenge of producing high quality graphene. The quality, size, and structure of graphene films vary with the desired applications. While …