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

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 al...

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Bibliographic Details
Published in:Carbon (New York) 2020-12, Vol.170, p.677-684
Main Authors: Feng, Zhijing, Mazaheripour, Amir, Dibble, David J., Wagner, Peter, Czap, Gregory, Kladnik, Gregor, Cossaro, Albano, Verdini, Alberto, Floreano, Luca, Bavdek, Gregor, Ho, Wilson, Comelli, Giovanni, Cvetko, Dean, Morgante, Alberto, Gorodetsky, Alon A.
Format: Article
Language:English
Subjects:
Band gap
Carbon
Graphene
Nanoribbons
Nitrogen
Quantum confinement
Semiconductor devices
Semiconductors
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Summary: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. [Display omitted]
ISSN:0008-6223
1873-3891
DOI:10.1016/j.carbon.2020.07.018