Abstract
Different main-group metal atoms embedded in crown oxygen-doping graphene (metal@OG) systems are studied by the density functional theory. The binding energies and electronic structures are calculated by using first-principles calculations. The binding energy of metal@OG system mainly depends on the electronegativity of the metal atom. The lower the value of the electronegativity, the larger the binding energy, indicating the more stable the system. The electronic structure of metal@OG arouses the emergence of bandgap and shift of Dirac point. It is shown that interaction between metal atom and crown oxygen-doping graphene leads to the graphene’s stable n-doping, and the metal@OG systems are stable semiconducting materials, which can be used in technological applications.
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Wu, L., Wang, Q., Yang, C. et al. Crown oxygen-doping graphene with embedded main-group metal atoms. Eur. Phys. J. B 91, 46 (2018). https://doi.org/10.1140/epjb/e2018-80396-2
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DOI: https://doi.org/10.1140/epjb/e2018-80396-2