Large-scale solution synthesis of narrow graphene nanoribbons

Timothy H. Vo, Mikhail Shekhirev, Donna A. Kunkel, Martha D Morton, Eric Berglund, Lingmei Kong, Peter M. Wilson, Peter A. Dowben, Axel Enders, Alexander Sinitskii

Research output: Contribution to journalArticle

177 Citations (Scopus)

Abstract

According to theoretical studies, narrow graphene nanoribbons with atomically precise armchair edges and widths of <2 nm have a bandgap comparable to that in silicon (1.1 eV), which makes them potentially promising for logic applications. Different top-down fabrication approaches typically yield ribbons with width >10 nm and have limited control over their edge structure. Here we demonstrate a novel bottom-up approach that yields gram quantities of high-aspect-ratio graphene nanoribbons, which are only ∼1 nm wide and have atomically smooth armchair edges. These ribbons are shown to have a large electronic bandgap of ∼1.3 eV, which is significantly higher than any value reported so far in experimental studies of graphene nanoribbons prepared by top-down approaches. These synthetic ribbons could have lengths of >100 nm and self-assemble in highly ordered few-micrometer-long 'nanobelts' that can be visualized by conventional microscopy techniques, and potentially used for the fabrication of electronic devices.

Original languageEnglish (US)
Article number3189
JournalNature communications
Volume5
DOIs
StatePublished - Feb 10 2014

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Carbon Nanotubes
Graphite
graphene
ribbons
synthesis
Nanobelts
high aspect ratio
electronics
micrometers
Aspect ratio
Microscopy
Microscopic examination
Energy gap
Theoretical Models
microscopy
Fabrication
Equipment and Supplies
fabrication

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

Large-scale solution synthesis of narrow graphene nanoribbons. / Vo, Timothy H.; Shekhirev, Mikhail; Kunkel, Donna A.; Morton, Martha D; Berglund, Eric; Kong, Lingmei; Wilson, Peter M.; Dowben, Peter A.; Enders, Axel; Sinitskii, Alexander.

In: Nature communications, Vol. 5, 3189, 10.02.2014.

Research output: Contribution to journalArticle

Vo, TH, Shekhirev, M, Kunkel, DA, Morton, MD, Berglund, E, Kong, L, Wilson, PM, Dowben, PA, Enders, A & Sinitskii, A 2014, 'Large-scale solution synthesis of narrow graphene nanoribbons', Nature communications, vol. 5, 3189. https://doi.org/10.1038/ncomms4189
Vo, Timothy H. ; Shekhirev, Mikhail ; Kunkel, Donna A. ; Morton, Martha D ; Berglund, Eric ; Kong, Lingmei ; Wilson, Peter M. ; Dowben, Peter A. ; Enders, Axel ; Sinitskii, Alexander. / Large-scale solution synthesis of narrow graphene nanoribbons. In: Nature communications. 2014 ; Vol. 5.
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