초록 |
Diblock copolymers, consisting of two chemically distinct homopolymers linked by a covalent bond, spontaneously assemble into periodic nanosturctures. Their thin films and micelles have been utilized for the fabrication of inorganic nanostructures including metals and oxides. In this study, we fabricated perpendicularly oriented cylindrical and lamellar nanostructures of diblock copolymers on reduced graphene oxide (rGO) films which provided effective transferring. After one of the blocks of copolymers was selectively removed, the remaining copolymers were utilized into templates for synthesizing nanostructures of titanium oxide and zinc oxide with sol-gel method. In addition, we oriented nanodomains of diblock copolymers by directed self-assembly in order to obtain well-aligned inorganic nanostructures. Furthermore, the fabricated nanostructures on rGO films were successfully transferred onto flexible substrates while preserving the original morphology of the inorganic nanostructures. |