Electronic characterization of solution-synthesized graphene nanoribbons using scanning tunneling microscopy
Berg, Abigail
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https://hdl.handle.net/2142/110580
Description
Title
Electronic characterization of solution-synthesized graphene nanoribbons using scanning tunneling microscopy
Author(s)
Berg, Abigail
Issue Date
2021-04-27
Director of Research (if dissertation) or Advisor (if thesis)
Lyding, Joseph W
Department of Study
Electrical & Computer Eng
Discipline
Electrical & Computer Engr
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
M.S.
Degree Level
Thesis
Keyword(s)
scanning tunneling microscopy
scanning tunneling spectroscopy
graphene nanoribbons
Abstract
This thesis reviews the methods of using bottom-up synthesis to fabricate atomically precise graphene nanoribbons (GNRs). Previous works of on-surface heterojunction GNRs and the dry contact transfer method for solution-synthesized GNRs are presented to show the current status of GNR fabrication. The electronic characterizations of the chevron GNR and new chevron/7A heterojunction GNR with functionalized side chains are also presented using scanning tunneling spectroscopy in a room temperature scanning tunneling microscope. The initial findings of the chevron/7A GNR with functionalized side chains are presented as the building blocks towards combining DNA origami and GNR precursors. Finally, a method is proposed to fabricate organized GNRs by attaching GNR precursors to ssDNA to make DNA origami.
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