Modulation of the electron transport properties in graphene nanoribbons doped with BN chains | Zendy

Wu Liu | Zendy; Kaiwang Zhang | Zendy; RuZhi Wang | Zendy; Jianxin Zhong | Zendy; Limin Liu | Zendy

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Modulation of the electron transport properties in graphene nanoribbons doped with BN chains

Author(s) -

Wu Liu,

Kaiwang Zhang,

RuZhi Wang,

Jianxin Zhong,

Limin Liu

Publication year - 2014

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4883236

Subject(s) - graphene nanoribbons , zigzag , materials science , doping , band gap , density functional theory , fermi level , condensed matter physics , density of states , fermi energy , electronic band structure , graphene , semiconductor , electron , nanotechnology , optoelectronics , physics , computational chemistry , chemistry , mathematics , geometry , quantum mechanics

Using density-functional theory and the non-equilibrium Green's function method, the electron transport properties of zigzag graphene nanoribbons (ZGNRs) doped with BN chains are studied by systematically calculating the energy band structure, density of states and the transmission spectra for the systems. The BN chains destroyed the electronic transport properties of the ZGNRs, and an energy gap appeared for the ZGNRs, and displayed variations from a metal to a wide-gap semiconductor. With an increase in the number of BN chains, the band gap increased gradually in the band structure and the transmission coefficient decreased near the Fermi surface. Additionally, the doping position had a significant effect on the electronic properties of the ZGNRs

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