초록 |
The amphiphilic block copolymer is dispersed in the aqueous solution to form a micelle, and its phase can be changed by its conditions as the mass fraction of hydrophilic/phobic parts. The micellar shapes can be controlled by mass fraction of their consisted chain and the packing parameters are leading to the formation of the block copolymer-block copolymer complex, a new self-assembled structure can be induced without complicated synthesis of the block copolymer with different mass ratios of each blocks. In addition, self-assembly of block copolymer, the phenomena, affect to surrounding condition as spontaneously entrapped gold nanoparticles (AuNPs) into the micelle. Small angle neutron scattering (SANS) measurements investigated that, the nanostructures of polymer-AuNPs complex transformed various structures as spheres, cylinders, and vesicles. This is a simple method to form a complex nanostructures of the polymer-AuNPs using by phase transition of the polymeric nanostructures. |