Dense arrays of highly aligned graphene nanoribbons produced by substrate-controlled metal-assisted etching of graphene

Pablo Solís-Fernández, Kazuma Yoshida, Yui Ogawa, Masaharu Tsuji, Hiroki Ago

    Research output: Contribution to journalArticle

    27 Citations (Scopus)

    Abstract

    Dense arrays of aligned graphene nanoribbons (GNRs) are fabricated by substrate-controlled etching of large-area single-layer graphene. An adequate choice of etching substrate and catalyst deposition method allows densities up to 25 nanoribbons μm-1 to be obtained with average widths of 19 nm. The efficacy of the method is evidenced by the high on/off ratios of back-gated transistors made with these GNRs, which can go up to 5000.

    Original languageEnglish
    Pages (from-to)6562-6568
    Number of pages7
    JournalAdvanced Materials
    Volume25
    Issue number45
    DOIs
    Publication statusPublished - Dec 3 2013

    Fingerprint

    Nanoribbons
    Carbon Nanotubes
    Graphite
    Graphene
    Etching
    Metals
    Substrates
    Transistors
    Catalysts

    All Science Journal Classification (ASJC) codes

    • Materials Science(all)
    • Mechanics of Materials
    • Mechanical Engineering

    Cite this

    Dense arrays of highly aligned graphene nanoribbons produced by substrate-controlled metal-assisted etching of graphene. / Solís-Fernández, Pablo; Yoshida, Kazuma; Ogawa, Yui; Tsuji, Masaharu; Ago, Hiroki.

    In: Advanced Materials, Vol. 25, No. 45, 03.12.2013, p. 6562-6568.

    Research output: Contribution to journalArticle

    Solís-Fernández, Pablo ; Yoshida, Kazuma ; Ogawa, Yui ; Tsuji, Masaharu ; Ago, Hiroki. / Dense arrays of highly aligned graphene nanoribbons produced by substrate-controlled metal-assisted etching of graphene. In: Advanced Materials. 2013 ; Vol. 25, No. 45. pp. 6562-6568.
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