Electronic characterization of silicon intercalated chevron graphene nanoribbons on Au(111)
Abstract
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.
- Authors:
-
[1];
[1];
[3];
[2];
[6];
[1]
- 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
- Publication Date:
- Research Org.:
- Swiss Federal Lab. for Materials Science and Technology (Empa), Dubendorf (Switzerland); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- 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)
- OSTI Identifier:
- 1423064
- Grant/Contract Number:
- AC05-00OR22725; N00014-12-1-1009; CNECT-ICT-604391; IJCI-2014-19291
- Resource Type:
- Accepted Manuscript
- Journal Name:
- ChemComm
- Additional Journal Information:
- Journal Volume: 54; Journal Issue: 13; Journal ID: ISSN 1359-7345
- Publisher:
- Royal Society of Chemistry
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 77 NANOSCIENCE AND NANOTECHNOLOGY
Citation Formats
Deniz, O., Sánchez-Sánchez, C., Jaafar, R., Kharche, N., Liang, L., Meunier, V., Feng, X., Müllen, K., Fasel, R., and Ruffieux, P. Electronic characterization of silicon intercalated chevron graphene nanoribbons on Au(111). United States: N. p., 2018.
Web. doi:10.1039/C7CC08353J.
Deniz, O., Sánchez-Sánchez, C., Jaafar, R., Kharche, N., Liang, L., Meunier, V., Feng, X., Müllen, K., Fasel, R., & Ruffieux, P. Electronic characterization of silicon intercalated chevron graphene nanoribbons on Au(111). United States. https://doi.org/10.1039/C7CC08353J
Deniz, O., Sánchez-Sánchez, C., Jaafar, R., Kharche, N., Liang, L., Meunier, V., Feng, X., Müllen, K., Fasel, R., and Ruffieux, P. Mon .
"Electronic characterization of silicon intercalated chevron graphene nanoribbons on Au(111)". United States. https://doi.org/10.1039/C7CC08353J. https://www.osti.gov/servlets/purl/1423064.
@article{osti_1423064,
title = {Electronic characterization of silicon intercalated chevron graphene nanoribbons on Au(111)},
author = {Deniz, O. and Sánchez-Sánchez, C. and Jaafar, R. and Kharche, N. and Liang, L. and Meunier, V. and Feng, X. and Müllen, K. and Fasel, R. and Ruffieux, P.},
abstractNote = {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.},
doi = {10.1039/C7CC08353J},
journal = {ChemComm},
number = 13,
volume = 54,
place = {United States},
year = {Mon Jan 08 00:00:00 EST 2018},
month = {Mon Jan 08 00:00:00 EST 2018}
}
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Figures / Tables:
Figure 1: Chevron GNR on Au(111): (a) reaction steps for the on-surface synthesis of chevron GNRs, (b) STM image (scale bar: 10 nm, z-scale: 0.3–2.6 Å, U = −0.6 V, $I$ = 60 pA, 5 K) of chevron GNRs on Au(111), (c) averaged differential conductance spectrum ($U$ = −2 V,more »
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