Unraveling the electronic structure of narrow atomically-precise chiral graphene nanoribbons

Recent advances in graphene nanoribbon-based research have demonstrated the controlled synthesis of chiral graphene nanoribbons (cGNR) with atomic precision using strategies of on-surface chemistry. However their electronic characterization, including typical figures of merit like band gap or fronti...

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Published in:arXiv.org 2017-12
Main Authors: Merino-Díez, Néstor, Li, Jingcheng, Garcia-Lekue, Aran, Vasseur, Guillaume, Vilas-Varela, Manuel, Carbonell-Sanromà, Eduard, Corso, Martina, Ortega, J Enrique, Peña, Diego, Pascual, Jose I, de Oteyza, Dimas G
Format: Article
Language:English
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Density functional theory
Electronic structure
Graphene
Nanoribbons
Organic chemistry
Photoelectric emission
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creator Merino-Díez, Néstor
Li, Jingcheng
Garcia-Lekue, Aran
Vasseur, Guillaume
Vilas-Varela, Manuel
Carbonell-Sanromà, Eduard
Corso, Martina
Ortega, J Enrique
Peña, Diego
Pascual, Jose I
de Oteyza, Dimas G
description Recent advances in graphene nanoribbon-based research have demonstrated the controlled synthesis of chiral graphene nanoribbons (cGNR) with atomic precision using strategies of on-surface chemistry. However their electronic characterization, including typical figures of merit like band gap or frontier bands effective masses, has not yet been reported. In this work, we provide a detailed characterization of (3,1)-cGNRs on Au(111). The structure and epitaxy, as well as the electronic band structure of the ribbons, are analyzed by means of scanning tunneling microscopy and spectroscopy, angle resolved photoemission and density functional theory.
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subjects Density functional theory
Electronic structure
Graphene
Nanoribbons
Organic chemistry
Photoelectric emission
title Unraveling the electronic structure of narrow atomically-precise chiral graphene nanoribbons
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