%0 Journal Article %T Synergistic effect of graphene nanosheets and zinc oxide nanoparticles for effective adsorption of Ni (II) ions from aqueous solutions %A Hadadian, Mahboobeh %A Kafshdare Goharshadi, Elaheh %A Matin Fard, Mina %A Ahmadzadeh, Hossein %J Applied Physics A: Materials Science and Processing %@ 0947-8396 %D 2018