Excitonic properties of hydrogen saturation-edged armchair graphene nanoribbons.

  title={Excitonic properties of hydrogen saturation-edged armchair graphene nanoribbons.},
  author={Min Wang and Chang Ming Li},
  volume={3 5},
First-principle density functional theory calculations with quasiparticle corrections and many body effects are performed to study the electronic and optical properties of armchair graphene nanoribbons (AGNRs) with variant edges saturated by hydrogen atoms. The "effective width" method associated with the reported AGNR family effect is introduced to understand the electronic structures. The method is further confirmed by analyses of the optical transition spectra and the exciton wavefunctions… 
20 Citations

Band-gap modulations of armchair silicene nanoribbons by transverse electric fields

Abstract Under external transverse electronic fields, the structure and electronic properties of the silicene nanoribbon with armchair edge (ASiNR) are studied. We find that the electric properties

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Armchair graphene nanoribbon (AGNR) is one of the most investigated semiconducting graphene materials. The controllable approach on AGNR is quite useful for future optical applications. To realize

Electronic and magnetic properties of pristine and chemically functionalized germanene nanoribbons.

The study reveals that a single N or B atom substitution induces a semiconducting-metal transition in armchair oriented germanene nanoribbons (AGeNRs) as evidenced by the appearance of a half-filled band with less dispersion; however, N and B co-doping at the ribbon edges only modifies their band gaps, due to the accomplishment of an effective charge compensation.

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Position effects of single vacancy on transport properties of single layer armchair h-BNC heterostructure.

  • M. QiuK. Liew
  • Materials Science, Physics
    Physical chemistry chemical physics : PCCP
  • 2012
First-principles analysis of the microscopic nature reveals that strength of electronic transmission, evolutions of molecular orbitals and distributions of molecular states are the intrinsic responses to these transport properties.



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