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Title: Graphene-like Boron–Carbon–Nitrogen Monolayers

Journal Article · · ACS Nano
 [1];  [2]; ORCiD logo [3];  [1];  [4];  [4]; ORCiD logo [1]; ORCiD logo [5]; ORCiD logo [3]; ORCiD logo [6]
  1. Department of Physics &, Astronomy, University of Nebraska, Lincoln, Nebraska 68588-0299, United States
  2. Department of Theoretical Chemistry, Faculty of Chemistry, Jagiellonian University, Krakow, Poland 30-060
  3. Department of Chemistry, State University of New York at Buffalo, Buffalo, New York 14260-3000, United States
  4. Department of Chemistry, Boston College, Chestnut Hill, Massachusetts 02467-3860, United States
  5. Department of Chemistry, Tufts University, Medford, Massachusetts 02155, United States
  6. Department of Physics &, Astronomy, University of Nebraska, Lincoln, Nebraska 68588-0299, United States, Physikalisches Institut, Universität Bayreuth, 95440 Bayreuth, Germany

A strategy to synthesize a 2D graphenic but ternary monolayer containing atoms of carbon, nitrogen, and boron, h-BCN, is presented. The synthesis utilizes bis- BN cyclohexane, B2N2C2H12, as a precursor molecule and relies on thermally induced dehydrogenation of the precursor molecules and the formation of an epitaxial monolayer on Ir(111) through covalent bond formation. The lattice mismatch between the film and substrate causes a strain-driven periodic buckling of the film. The structure of the film and its corrugated morphology is discussed based on comprehensive data from molecular-resolved scanning tunneling microscopy imaging, X-ray photoelectron spectroscopy, low-energy electron diffraction, and density functional theory. First-principles calculations further predict a direct electronic band gap that is intermediate between gapless graphene and insulating h-BN.

Research Organization:
Univ. of Nebraska, Lincoln, NE (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
Grant/Contract Number:
EE0005658
OSTI ID:
1409881
Alternate ID(s):
OSTI ID: 1529560
Journal Information:
ACS Nano, Journal Name: ACS Nano Vol. 11 Journal Issue: 3; ISSN 1936-0851
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 137 works
Citation information provided by
Web of Science

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Figures / Tables (4)