The European Physical Journal B

, Volume 74, Issue 1, pp 135–138 | Cite as

Electronic transport calculation of adsorbate NO2 and NO molecules on graphene using Maximally Localized Wannier functions

  • K. Imani
  • M. R. Abolhassani
  • A. A. Sabouri-Dodaran
Computational Methods

Abstract.

In this paper we have investigated the adsorption of the gas molecules (NO2, NO) on graphene, using first-principles methods. For full geometric relaxation of the molecules in the vicinity of a graphene sheet, we obtain the adsorption geometry, adsorption energies, charge transfer and density of states (DOS). We can identify which of the adsorbate molecules is acting as donor or acceptor. We find that the conductance of graphene at the Fermi level decreases with adsorbing NO2 molecules and increases with adsorbing NO molecules.

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Copyright information

© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • K. Imani
    • 1
  • M. R. Abolhassani
    • 1
    • 2
  • A. A. Sabouri-Dodaran
    • 3
  1. 1.Science and Research Branch, Islamic Azad UniversityTehranIran
  2. 2.Departmant of physicsTarbiat modares UniversityTehranIran
  3. 3.Payame Noor UniversityTehranIran

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