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 inThe journal of physical chemistry letters Vol. 9; no. 1; pp. 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
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 04.01.2018
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Letter
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Summary: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.
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ISSN:1948-7185
1948-7185
DOI:10.1021/acs.jpclett.7b02767