%0 Journal Article %T Microwave-assisted direct coupling of graphene nanoplatelets with poly ethylene glycol and 4-phenylazophenol molecules for preparing stable-colloidal system %A Ahmad Amiri %A Shanbedi, Mehdi %A Goodarz Ahmadi %A Eshghi, Hossein %A B.T. Chewa %A S. N. Kazia %J Colloids and Surfaces A: Physicochemical and Engineering Aspects %@ 0927-7757 %D 2015