Electronic characterization of silicon intercalated chevron graphene nanoribbons on Au(111)

Deniz, O.; Sánchez-Sánchez, C.; Jaafar, R.; Kharche, N.; Liang, L.; Meunier, V.; Feng, X.; Müllen, K.; Fasel, R.; Ruffieux, P.

doi:10.1039/C7CC08353J

Title: Electronic characterization of silicon intercalated chevron graphene nanoribbons on Au(111)

Journal Article · Mon Jan 08 00:00:00 EST 2018 · ChemComm

DOI:https://doi.org/10.1039/C7CC08353J· OSTI ID:1423064

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Swiss Federal Lab. for Materials Science and Technology (Empa), Dubendorf (Switzerland)
Rensselaer Polytechnic Inst., Troy, NY (United States). Dept. of Physics, Applied Physics, and Astronomy
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences
Technische Univ. Dresden (Germany). Chair of Molecular Functional Materials. Dept. of Chemistry and Food Chemistry
Max Planck Inst. for Polymer Research, Mainz (Germany)
Swiss Federal Lab. for Materials Science and Technology (Empa), Dubendorf (Switzerland); Univ. of Bern (Switzerland). Dept. of Chemistry and Biochemistry

Electronic and thermal properties of chevron-type graphene nanoribbons can be widely tuned, making them interesting candidates for electronic and thermoelectric applications. In this paper, we use post-growth silicon intercalation to unambiguously access nanoribbons’ energy position of their electronic frontier states. These are otherwise obscured by substrate effects when investigated directly on the growth substrate. Finally, in agreement with first-principles calculations we find a band gap of 2.4 eV.

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Research Organization:: Swiss Federal Lab. for Materials Science and Technology (Empa), Dubendorf (Switzerland); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE; Office of Naval Research (ONR) (United States); Swiss National Science Foundation (SNSF); European Commission (EC); Ministry of Economy, Industry and Competitiveness (Spain); European Investment Bank (EIB)

Grant/Contract Number:: AC05-00OR22725; N00014-12-1-1009; CNECT-ICT-604391; IJCI-2014-19291

OSTI ID:: 1423064

Journal Information:: ChemComm, Vol. 54, Issue 13; ISSN 1359-7345

Publisher:: Royal Society of ChemistryCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 14 works

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