Journal
CHEMPHYSCHEM
Volume 20, Issue 18, Pages 2281-2285Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cphc.201900445
Keywords
graphene nanoribbons; noncontact atomic force microscopy; on-surface synthesis; scanning tunneling microscopy; scanning tunneling spectroscopy
Funding
- Office of Naval Research [N00014-16-1-2899]
- National Science Foundation [CHE-1455330]
- U.S. DOE Office of Science Facility, at Brookhaven National Laboratory [DE-SC0012704]
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We report the on-surface synthesis and spectroscopic study of laterally extended chevron graphene nanoribbons (GNRs) and compare them with the established chevron GNRs, emphasizing the consistency of bandgap reduction of semiconducting GNRs with increased width. The laterally extended chevron GNRs grown on Au(111) exhibit a bandgap of about 2.2 eV, which is considerably smaller than the values reported for chevron GNRs in similar studies.
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