Tags: Graphene

Theses and Dissertations (1-20 of 33)

  1. Optimization of Surface-Protein Interactions for Next Generation Biosensors

    10 Jun 2021 | Contributor(s):: Brightbill, Eleanor Lyons

    Advisors: Eric Vogel, Ravi Kane, Valeria Milam, Craig Nies, Vladimir TsukrukCurrently, diagnosis for serological diseases such as Ebola, HIV, and Lyme disease relies on enzyme-linked immunosorbent assays (ELISAs), which require centralized laboratories and several-day timescales to complete....

  2. Design of a Novel Electrochemical Cell for Electrochemical Exfoliation of Graphite Into Graphene

    11 Jan 2021 | Contributor(s):: Lopez-Monis, Jose Antonio

    Advisors: Seung Woo Lee, Hailong Chen, Peter J. HeskethThe objective of this thesis is to design and test a new electrochemical cell for the mass production of graphene using electrochemical exfoliation of graphite. Although several techniques have been developed by different research groups,...

  3. The Impact of Synthesis Conditions and Crystal Quality of Two-Dimensional Materials for Permeation Barriers

    11 Jan 2021 | Contributor(s):: Young, Katherine

    Advisors: Eric Vogel, Dale Hitchcock, Preet Singh, Mark Losego, Matthew McDowellPermeation barriers in applications for gas separation, hydrogen isotope permeation barriers, and corrosion coatings require similar properties, including high strength, chemical stability, limited permeation, and...

  4. Edge State Characterization of Epitaxial Graphene Nanoribbons and Modifications of the Electrical Structure of Buffer Graphene After Aluminum Oxide Deposition

    20 May 2020 | Contributor(s):: Miettinen, Anna L.

    Advisors: Edward Conrad, Phillip N. First, Zhigang Jiang, Markus Kindermann, Antonio TejedaGraphene attracted a great deal of public interest because of its novel electrical characteristics, structural integrity, high electron mobility, and most important for my work, it was shown to be a room...

  5. Experimental Characterization of Thermal Transport in Two-Dimensional Materials and Thin Films

    20 May 2020 | Contributor(s):: Brown, David Brandon

    Advisors: Satish Kumar, Baratunde A Cola, Samuel Graham, Matthew McDowell, Eric M VogelIncreased power density in modern microelectronics has led to thermal management challenges which degrade performance and reliability. The power consumption and heat removal are limited by the thermal boundary...

  6. Graphene-Based Electrodes for High-Performance Electrochemical Energy Storage

    14 Jan 2020 | Contributor(s):: Lee, Byeongyong

    Advisors: Seung Woo Lee, Hailong Chen, Peter Hesketh, Seung Soon Jang, Thomas FullerGraphene, a two-dimensional honeycomb carbon layer, has drawn intensive attention as a promising electrode material for rechargeable batteries and supercapacitors due to its high electrical conductivity as well as...

  7. Functionalized Graphene Materials for High Performance Supercapacitors

    21 Aug 2019 | Contributor(s):: Song, Bo

    Advisors: C. P. Wong, David Collard, John Zhang, Thomas Orlando, Meilin LiuGraphene has been considered as a promising electrode material for supercapacitors due to its outstanding properties. However, graphene produced from reduction of graphene oxide (GO) always suffers from restacking and...

  8. The Synthesis of Atomically Thin Pt Monolayer to Multilayer Pt Films on Graphene and Mos2

    29 May 2019 | Contributor(s):: Arnold, Chris

    Advisors: Faisal M Alamgir, Matthew McDowell, Antonia AntoniouIn the area of catalysis, substantial research is aimed at exploring the influence of the size and morphology of precious metal nanoparticles as well as catalyst supports on reaction kinetics. Recently, this has evolved into depositing...

  9. On the Strain Engineering of Graphene

    27 Aug 2018 | Contributor(s):: Kerszberg, Nicolas

    Advisors: Phanish Suryanarayana, Ting Zhu, Markus KindermannGraphene is renowned for its extraordinary mechanical, electronic, optical, and thermal properties. However, the absence of a band-gap limits its usefulness in practicalapplications. If it were possible to engineer graphene to exhibit a...

  10. Graphene Near Commensuration

    31 May 2018 | Contributor(s):: Spitz, Stephen Tyler

    Advisors: Markus Kindermann, Phillip N. First, Andrew Zangwill, Michael Pustilnik, Martin ShortFor the past decade, graphene has been among the most heavily researched materials in condensed matter physics. In particular, its unusual electronic properties have spurred researchers to investigate...

  11. Theory of Resonance and Novel Nonperturbative Physics in Twisted Bilayer Graphene

    31 May 2018 | Contributor(s):: Carter, Steven C.

    Advisors: Markus Kindermann, Phillip N. First, Brian Kennedy, Carlos Sa de Melo, Martin B. ShortTwisted bilayers of graphene have shown strikingly rich phenomenology while also posing significant theoretical challenges. As a consequence, many numerically discovered phenomena have defied...

  12. Application of Cellulosic Materials as Flexible Substrates for Two-Dimensional Electronic Heterostructure Devices

    22 Jan 2018 | Contributor(s):: Beatty, Brian

    Advisors: Eric M Vogel, Meisha L Shofner, Faisal M AlamgirWith the goal of creating a set of materials to enable flexible electronics, two-dimensional (2D) materials are incredibly capable. This family of nanomaterials comprises a suite of strong and flexible conducting, semiconducting, and...

  13. Studies of Epitaxial Graphene and Silicon Growth on Silicon Carbide Under Silane Gas

    07 Jun 2017 | Contributor(s):: Hoang, Tien Manh

    Advisors: Phillip N. First, Zhigang Jiang, Edward H. Conrad, Kurt Wiesenfeld, Thomas OrlandoTwo-dimensional (2D) materials have drawn much attention because of their superior and unique properties. Undoubtedly, the most well-known 2D material is graphene, an atomic-thick sheet of carbon in a...

  14. Ultra-Robust Graphene Based Bio-Nanocomposites and Their Electronic Applications

    07 Jun 2017 | Contributor(s):: Hu, Kesong

    Advisors: Vladimir V. Tsukruk, Kyriaki Kalaitzidou, Satish Kumar, Zhiqun LinThis study is focused on the fundamental principles of fabricating polymer nanocomposite materials and optimizing their structural and functional properties. The status of the research on polymer nanocomposites has been...

  15. Impact of Materials Disorder on Graphene Heterostructure Devices

    11 Jan 2017 | Contributor(s):: Joiner, Corey Alexander

    Advisors: Eric M. Vogel, Vladimir V. Tsukruk, Faisal M. Alamgir, Zhiqun Lin, Zhigang JiangThis work is focused on characterizing the impact of material based disorder on the properties of graphene based vertical tunneling heterostructures. The motivation and challenges for replacing silicon for...

  16. Near Surface Evaluation of Structural, Electronic and Chemical Properties of Templated PT Monolayers

    22 Aug 2016 | Contributor(s):: Vitale, Adam J..

    Advisors: Faisal Alamgir, Eric Vogel, Meilin Liu, Preet Singh, Krista WaltonPlatinum group metals are the choice catalysts for a wide variety of catalytic reactions, including oxygen reduction. The focus of this study is to explore the dimensional aspect of both electronic and structure-driven...

  17. Controlled Doping of Organic Semiconductors and 2d Materials With Molecular Reductants and Oxidants

    22 Aug 2016 | Contributor(s):: Zhang, Siyuan

    Advisors: Seth R. Marder, David M. Collard, John Reynolds, Zhigang Jiang, Jean-Luc BredasNew air-stable dimeric n-dopants are synthesized and studied in detail with respect to the kinetics of both their redox reaction in solution with and their doping in the solid-state of various organic...

  18. Improved Growth, Ordering, and Characterization of Sidewall Epitaxial Graphene Nanoribbons

    22 Aug 2016 | Contributor(s):: Nevius, Meredith Swegan

    Advisors: Edward H Conrad, Walter de Heer, Phillip First, Zhigang Jiang, Nazanin Bassiri-GharbOne material that has drawn much attention as a viable supplementary material to silicon is graphene, an atom-thick sheet of carbon in a hexagonal lattice. Graphene has many desirable qualities,...

  19. Nanostructured Graphene on Si-Terminated SiC and Its Electronic Properties

    27 May 2016 | Contributor(s):: Li, Yuntao

    Advisors: Phillip N First, Zhigang Jiang, Edward H Conrad, Markus Kindermann, Thomas OrlandoGraphene nanostructures directly grown on SiC are appealing for their potential application to nano-scale electronic devices. In particular, epitaxial sidewall graphene nanoribbons have been a promising...

  20. Thermal Transport at Carbon Nanotube and Graphene Interfaces Using Atomistic Models

    27 May 2016 | Contributor(s):: Chen, Liang

    Advisors: Satish Kumar, Andrei Fedorov, Samuel Graham, Seung Soon Jang, Azad NaeemiPhonons are primary heat carriers in carbon nanotubes (CNTs) and graphene; a fundamental understanding of phonon transport in these nano-structures is required for the energy efficient design of their devices such...