Functionalization of Graphene Nanoribbons

Part of the NanoScience and Technology book series (NANO)


With the synthesis of a single atomic plane of graphite, namely, graphene honeycomb structure, a new perspective for carbon-based electronics is opened. The one-dimensional graphene nanoribbons (GNRs) have different band-gap values depending on their edge shape and width. In this contribution, we report our results showing that repeated heterostructures of GNRs of different widths form multiple quantum-well structures. The widths of the constituent parts as well as the bandgap, and also the magnetic ground state of the superlattices are modulated in direct space. We provide detailed analysis of these structures and show that superlattices with armchair edge shapes can be used as resonant tunneling devices and those with zigzag edge shape have unique features for spintronic applications. We also discuss another route of functionalizing 2D graphene, 1D GNR, and superlattices with 3d-transition metal (TM) atom adsorption.


High Occupied Molecular Orbital Lower Unoccupied Molecular Orbital Resonant Tunneling Graphene Ribbon Superlattice Structure 
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© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.Department of PhysicsBilkent UniversityAnkaraTurkey
  2. 2.UNAM, Institute of Materials Science and NanotechnologyBilkent UniversityAnkaraTurkey
  3. 3.Department of PhysicsBilkent UniversityAnkaraTurkey
  4. 4.UNAMInstitute of Materials Science and Nanotechnology, Bilkent UniversityAnkaraTurkey

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