Ab initio modeling of graphene layer functionalized with boron and nitrogen

We present a computational study of the phenomenon of opening the band gap in graphene by means of functionalization with boron and nitrogen atoms. For most of the considered structures, we observe a nonzero energy gap with the width slightly dependent on the concentration of the substituent atoms. Additionally, elastic properties for graphene functionalized with B/N atoms for concentrations of 2% and 4% have been predicted. N-substitution almost does not influence the elastic moduli of graphene, while changes caused by B-substitution are more remarkable.