Modulation on electronic doping of graphene nanoribbons using alkali and oxygen atoms adsorption
Weihua Wang,
Yuxuan Wang,
Jiaxu Zhou
et al.
Abstract:Adopting the rst-principles calculation method based on density functional theory, we investigate the electronic and optical properties of alkali atoms (Li, Na and K) and oxygen (O) atoms adsorption of doped graphene nanoribbons. We further inspected the differential charge density, energy band structure, partial state density, electron energy loss spectrum, as well as the valence electron state of impurity atoms. The results revealed the signi cant effect of Li, Na and K atoms on the graphene nanoribbons, pre… Show more
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