... , drug carrier, composite materials.SGraphene---002Name: Single lager of Graphene, Features: solid powder, Purity>99%, layer ... for various electronics, the preparation of photoelectric devices. SGraphene—030Name: Single layer of Graphene solution, Features: Concentration is 1mg ... photoelectric device FGraphene—070( 2-4 layers)Name: Few layers of Graphene (2-4 layers), Features: solid powder, Purity>99 ...