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Anomalous Doping Effects on Charge Transport in Graphene Nanoribbons
Open accessAbstract
We present first-principles calculations of quantum transport in chemically doped graphene nanoribbons with a width of up to 4 nm. The presence of boron and nitrogen impurities is shown to yield resonant backscattering, whose features are strongly dependent on the symmetry and the width of the ribbon, as well as the position of the dopants. Full suppression of backscattering is obtained on the pi-pi* plateau when the impurity preserves the mirror symmetry of armchair ribbons. Further, an unusual acceptor-donor transition is observed in zigzag ribbons. These unconventional doping effects could be used to design novel types of switching devices.
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Cites
Electric Field Effect in Atomically Thin Carbon Films
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Electronic Confinement and Coherence in Patterned Epitaxial Graphene
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Energy Band-Gap Engineering of Graphene Nanoribbons
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Energy Gaps in Graphene Nanoribbons
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Chemically Derived, Ultrasmooth Graphene Nanoribbon Semiconductors
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Half-metallic graphene nanoribbons
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Cited by
Wang, H., Maiyalagan, T., & Wang, X. (2012) · ACS Catalysis · doi:10.1021/cs200652y · Cited by 3,618
Metadata
- Authors
- Biel, B., Blase, X., Triozon, F., & Roche, S.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2009-03-03
- Volume
- 102
- Issue
- 9
- Pages
- 096803-096803
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2002303168
- Cited by
- 342
- References
- 49
- FWCI
- 15.79
- Type
- journal article
- Language
- en
- Open access
- green
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