Growth Mechanism of Chevron Graphene Nanoribbons on (111)-Oriented Coinage Metal Surfaces
Elie Geagea,
Daniel Medina-Lopez,
Luca Giovanelli
et al.
Abstract:Atomically precise on-surface synthesis of graphene nanoribbons (GNRs) with well-defined width and edge configuration has been widely advanced during the past decade. The main bottom-up growth strategy relies on the thermally activated Ullmann-like coupling reaction followed by the cyclodehydrogenation of tailor-made precursors to achieve the desired precision. We present a systematic investigation of the growth mechanism of chevron GNR on the Ag(111), Au(111), and Cu(111) surfaces in ultrahigh vacuum. We foun… Show more
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