| 초록 |
Nanoparticle arrays which are promising for applications in the fields of bio sensing, optical analysis, and semiconductors can be fabricated in block copolymer thin film through self-assembly. Block copolymer self-assembly is well-known to act as a nano-template whose shape and size are easily tunable by changing the molecular weight of block copolymer (BCP). The nanoparticle arrays can be formed of various nanoparticle including the noble metals such as gold, silver and platinum and magnetic materials like CoFe2O4. In this work, polystyrene-b-poly(4-vinyl pyridine) BCP was used as a template for nanoparticle arrays. BCP films were produced by spin-coating and annealed under solvent vapor. Nanoparticle arrays were obtained by dipping BCP films in the precursor solution and then oxygen plasma treatment. Before oxygen plasma treatment, the films were treated under UV lamp to make more uniform array. Their structure and properties were investigated systematically in this work. |
