Chemical Vapor Deposition Synthesis of Graphene-Based Materials and Chemical Modulation of Graphene Electronics

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dc.contributor.advisorTour, James M.en_US
dc.contributor.committeeMemberHauge, Robert Hen_US
dc.contributor.committeeMemberAjayan, Pulickel Men_US
dc.creatorYan, Zhengen_US
dc.date.accessioned2016-01-27T17:17:45Zen_US
dc.date.available2016-01-27T17:17:45Zen_US
dc.date.created2013-12en_US
dc.date.issued2013-09-18en_US
dc.date.submittedDecember 2013en_US
dc.date.updated2016-01-27T17:17:45Zen_US
dc.description.abstractGraphene, a two-dimensional sp2-bonded carbon material, has attracted enormous attention due to its excellent electrical, optical and mechanical properties. Recently developed chemical vapor deposition (CVD) methods could produce large-size and uniform polycrystalline graphene films, limited to gas carbon sources, metal catalyst substrates and degraded properties induced by grain boundaries. Meanwhile, pristine monolayer graphene exhibits a standard ambipolar behavior with a zero neutrality point in field-effect transistors (FETs), limiting its future electronic applications. This thesis starts with the investigation of CVD synthesis of pristine and N-doped graphene with controlled thickness using solid carbon sources on metal catalyst substrates (chapter 1), and then discusses the direct growth of bilayer graphene on insulating substrates, including SiO2, h-BN, Si3N4 and Al2O3, without needing further transfer-process (chapter 2). Chapter 3 discusses the synthesis of high-quality graphene single crystals and hexagonal onion-ring-like graphene domains, and also explores the basic growth mechanism of graphene on Cu substrates. To extend graphene’s potential applications, both vertical and planar graphene-carbon nanotube hybrids are fabricated using CVD method and their interesting properties are investigated (chapter 4). Chapter 5 discusses how to use chemical methods to modulate graphene’s electronic behaviors.en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationYan, Zheng. "Chemical Vapor Deposition Synthesis of Graphene-Based Materials and Chemical Modulation of Graphene Electronics." (2013) Diss., Rice University. <a href="https://hdl.handle.net/1911/88156">https://hdl.handle.net/1911/88156</a>.en_US
dc.identifier.urihttps://hdl.handle.net/1911/88156en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.subjectgrapheneen_US
dc.subjectcarbon nanotubeen_US
dc.subject2Den_US
dc.subjectsingle crystalen_US
dc.subjectchemical vapor depositionen_US
dc.subjectelectricalen_US
dc.titleChemical Vapor Deposition Synthesis of Graphene-Based Materials and Chemical Modulation of Graphene Electronicsen_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentChemistryen_US
thesis.degree.disciplineNatural Sciencesen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelDoctoralen_US
thesis.degree.nameDoctor of Philosophyen_US
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