A DFT/TDDFT study on dual doped bilayer graphene containing Se and X (Ga,P,S) Yadollah Safaei Ardakani and Mahmood Moradi Eur. Phys. J. B, 93 6 (2020) 99 Published online: 01 June 2020 DOI: 10.1140/epjb/e2020-100579-0