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Epitaxial Growth of Aligned Atomically Precise Chevron Graphene Nanoribbons on Cu(111)

Abstract

Atomically precise chevron graphene nanoribbons (GNRs) have been synthesized on Cu(111) substrates by the surface-assisted coupling of 6,11-Dibromo-1,2,3,4-tetraphenyltriphenylene (C42Br2H26) and thermal cyclodehydrogenation of the resulting polymer. Unlike similar synthesis on Au(111), the GNRs form on Cu(111) epitaxially along the <112> crystallographic directions, which was found to be in agreement with the computational results, and also at lower temperatures. This work demonstrates that substrate plays an imporant role in the on-surface synthesis of GNRs and can result in new assembly modes of GNR structures.

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Publication details

The article was received on 04 Oct 2016, accepted on 13 Jun 2017 and first published on 15 Jun 2017


Article type: Communication
DOI: 10.1039/C6CC08006E
Citation: Chem. Commun., 2017, Accepted Manuscript
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    Epitaxial Growth of Aligned Atomically Precise Chevron Graphene Nanoribbons on Cu(111)

    J. Teeter, P. Costa, M. Mehdi Pour, D. P. Miller, E. Zurek, A. Enders and A. Sinitskii, Chem. Commun., 2017, Accepted Manuscript , DOI: 10.1039/C6CC08006E

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