Atomically-defined graphene nanoribbons (GNRs), which are narrow strips of graphene that feature a quantum confinement-induced bandgap, have shown great promise for applications in the next generation of semiconductor devices. Although numerous studies have demonstrated the bottom-up synthesis of all-carbon GNRs, a comparatively limited number of reports have focused on the preparation of nitrogen-doped GNRs, with two general types of architectures demonstrated to date. Herein, we describe the design, synthesis, and characterization of a new class of nitrogen-containing GNRs consisting of repeating tetrabenzopentacene molecular subunits. Our findings may afford additional possibilities and opportunities with regard to the directed bottom-up synthesis of heteroatom-doped, carbon-based nanoscale electronics.

Bottom-up synthesis of nitrogen-containing graphene nanoribbons from the tetrabenzopentacene molecular motif

Feng, Zhijing;Kladnik, Gregor;Cossaro, Albano;Verdini, Alberto;Comelli, Giovanni;Cvetko, Dean;Morgante, Alberto;
2020-01-01

Abstract

Atomically-defined graphene nanoribbons (GNRs), which are narrow strips of graphene that feature a quantum confinement-induced bandgap, have shown great promise for applications in the next generation of semiconductor devices. Although numerous studies have demonstrated the bottom-up synthesis of all-carbon GNRs, a comparatively limited number of reports have focused on the preparation of nitrogen-doped GNRs, with two general types of architectures demonstrated to date. Herein, we describe the design, synthesis, and characterization of a new class of nitrogen-containing GNRs consisting of repeating tetrabenzopentacene molecular subunits. Our findings may afford additional possibilities and opportunities with regard to the directed bottom-up synthesis of heteroatom-doped, carbon-based nanoscale electronics.
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http://www.sciencedirect.com/science/article/pii/S0008622320306783
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11368/2972741
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