Abstract

We report a feasible approach to the preparation of monodispersedmetal-shell composite microspheres based on a combination of surfacereaction and surface seeding techniques. The method was implemented forcoating polystyrene (PS) spheres with silver shell having a variablethickness by controlling the amount of reagents in the reactionprocedure. These composite spherical particles in dimensions of thesubmicrometer range may become attractive building blocks for thecreation of metallo-dielectric photonic band gap materials when theyare organized into crystals.

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