Abstract
The block copolymer thin films were prepared by spin casting micellar solutions of poly(ethylene oxide)-b-poly(1H,1H dihydroperflurooctyl methacrylate)(PEO5k-b-PFOMA22k) in chloroform with or without gold salts. Upon fluorinated solvent vapor annealing, the disordered morphology of as-casted PEO5k-b-PFOMA22k thin films was changed to the phase inverted ordered morphology of spherical PEO cores in PFOMA continuous phase. The phase inversion strategy of the solvent annealing was found to enhance the long-range positional ordering of the thin films. The results suggest that an organized pattern of gold nanoparticles could be afforded inside the PEO domains of the hybrid thin films.
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