▎ 摘　　要

NOVELTY - Preparing and assembling functionalized graphene oxide comprises (i) dissolving coupling agent in the aqueous alcohol solution, to obtain coupling agent hydrolyzate, uniformly mixing oxidized graphene solution and coupling agent hydrolyzate, to obtain functionalized graphene oxide solution; and (ii) rapidly assembling functionalized graphene oxide by atomizing and drying step (i) product and then assembling by hot air flow, to obtain functionalized graphene powder. USE - The functionalized graphene oxide is useful for catalysis, separation, composite materials, functional coating, biological medicine and other fields. ADVANTAGE - The method has simple process, controllable appearance; and is easy to control.