title: Graphene nanoribbon electrical decoupling from metallic substrates.
abstract: We address the structural and electronic properties of graphene nanoribbons (GNRs) covalently immobilized on a metallic substrate by means of an organic layer. The GNR-organic layer and organic layer-metal interfaces can be thought of as constituents of a nanodevice and have been accurately studied using large-scale density functional theory calculations. Our results demonstrate the possibility of combining nanopatterned metal-organic layer substrates with selected GNRs to obtain well ordered and stable structures while preserving the GNR energy band gap, an essential requirement for any switching nanodevice.
authors.affiliation: Università di Napoli Federico II, Dipartimento di Scienze Fisiche, Complesso Universitario Monte Sant'Angelo, Via Cintia, I-80126 Napoli, Italy.
authors.forename: Ivo
authors.initials: I
authors.lastname: Borriello
authors.forename: Giovanni
authors.initials: G
authors.lastname: Cantele
authors.forename: Domenico
authors.initials: D
authors.lastname: Ninno
mesh_terms: D003198:Computer Simulation; D004553:Electric Conductivity; D004579:Electron Transport; D006108:Graphite / Q000737:chemistry*; D053768:Metal Nanoparticles / Q000737:chemistry* / Q000648:ultrastructure; D008956:Models, Chemical; D008958:Models, Molecular; D009930:Organic Chemicals / Q000737:chemistry*; D013499:Surface Properties
chemical_list: D009930:Organic Chemicals; D006108:Graphite