An improved synthesis route to graphene for molecular sensor applications

Melanie Larisika, Huang Jingfeng, Alfred Tok, Wolfgang Knoll, Christoph Nowak

    Research output: Contribution to journalArticlepeer-review


    This article presents an improved graphene oxide synthesis method and its subsequent simple reduction technique with hydrazine vapour more efficiently to produce large area graphene flakes with a dramatic change in average sheet resistance of w145 kU/, as compared to existing annealing methods. With the above characteristics, a high-performance and low-voltage operating graphene field-effect transistor(FET) was achieved with the potential to be used as detection platform for biomolecules.
    Original languageEnglish
    Pages (from-to)304-308
    Number of pages5
    JournalMaterials Chemistry and Physics
    Publication statusPublished - 2012

    Research Field

    • Biosensor Technologies


    • Semiconductors
    • Chemical synthesis
    • Electrical characterization
    • Electrical properties


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