Localized synthesis of polypyrrole in the nanopattern of monolayer films of diblock copolymer micelles.
A single-layered array of polystyrene-block-poly(4-vinylpyridine), PS-PVP, micelles in hexagonal order, fabricated by spin coating, was employed as a nanostructured template for synthesis of polypyrrole, a conducting polymer, in nanometer-sized domains. Oxidative catalysts of FeCl3 for the polymerization were selectively loaded in spherical PVP nanodamains so that they were hexagonally arranged over the film but confined in the nanometer range. The vapor-phase polymerization of pyrrole was localized in the PVP nanodomains, leading to a morphological transition from spherical to wormlike domains. In addition, the nanodomains containing polypyrrole were converted to open cavities by ethanol, a PVP block-selective solvent.
Yoo
Seong Il
SI
Department of Materials Science and Engineering, Pohang University of Science and Technology, Pohang 790-784, Korea.
Sohn
Byeong-Hyeok
BH
Zin
Wang-Cheol
WC
Jung
Jin Chul
JC
D008567:Membranes, Artificial; D008823:Micelles; D049329:Nanostructures / Q000737:chemistry*; D010316:Particle Size; D011108:Polymers / Q000138:chemical synthesis* / Q000737:chemistry; D011137:Polystyrenes / Q000737:chemistry*; D011145:Polyvinyls / Q000737:chemistry*; D011758:Pyrroles / Q000138:chemical synthesis* / Q000737:chemistry
D008567:Membranes, Artificial; D008823:Micelles; D011108:Polymers; D011137:Polystyrenes; D011145:Polyvinyls; D011758:Pyrroles; C480699:polystyrene-block-poly(2-vinylpyridine)-block-poly(t-butylmethacrylate); C067635:polypyrrole