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Substrate-Independent Growth of Atomically Precise Chiral Graphene Nanoribbons.

ABSTRACT: Contributing to the need for new graphene nanoribbon (GNR) structures that can be synthesized with atomic precision, we have designed a reactant that renders chiral (3,1)-GNRs after a multistep reaction including Ullmann coupling and cyclodehydrogenation. The nanoribbon synthesis has been successfully proven on different coinage metals, and the formation process, together with the fingerprints associated with each reaction step, has been studied by combining scanning tunneling microscopy, core-level spectroscopy, and density functional calculations. In addition to the GNR's chiral edge structure, the substantial GNR lengths achieved and the low processing temperature required to complete the reaction grant this reactant extremely interesting properties for potential applications.

SUBMITTER: de Oteyza DG

PROVIDER: S-EPMC5043421 | biostudies-literature | 2016 Sep

REPOSITORIES: biostudies-literature

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Substrate-Independent Growth of Atomically Precise Chiral Graphene Nanoribbons.

de Oteyza Dimas G DG García-Lekue Aran A Vilas-Varela Manuel M Merino-Díez Néstor N Carbonell-Sanromà Eduard E Corso Martina M Vasseur Guillaume G Rogero Celia C Guitián Enrique E Pascual Jose Ignacio JI Ortega J Enrique JE Wakayama Yutaka Y Peña Diego D

ACS nano 20160830 9

Contributing to the need for new graphene nanoribbon (GNR) structures that can be synthesized with atomic precision, we have designed a reactant that renders chiral (3,1)-GNRs after a multistep reaction including Ullmann coupling and cyclodehydrogenation. The nanoribbon synthesis has been successfully proven on different coinage metals, and the formation process, together with the fingerprints associated with each reaction step, has been studied by combining scanning tunneling microscopy, core-l ...[more]

PMID: 27548516

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