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 (chGNRs) with atomic precision using strategies of on-surface chemistry. However, their electronic characterization, including typical figures of merit like band gap or fro...

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Published in:The journal of physical chemistry letters 2018-01, Vol.9 (1), p.25-30
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
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cited_by cdi_FETCH-LOGICAL-a511t-620c899c30c53ed313da64f6efa4f552fa89406fabf8c2847eb0449208cf6b9a3
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container_title The journal of physical chemistry letters
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creator Merino-Díez, Néstor
Li, Jingcheng
Garcia-Lekue, Aran
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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 (chGNRs) with atomic precision using strategies of on-surface chemistry. However, their electronic characterization, including typical figures of merit like band gap or frontier band’s effective mass, has not yet been reported. We provide a detailed characterization of (3,1)-chGNRs 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.
doi_str_mv 10.1021/acs.jpclett.7b02767
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title Unraveling the Electronic Structure of Narrow Atomically Precise Chiral Graphene Nanoribbons
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