Abstract
This paper presents a novel method for fabricating an ordered array of metallic nanoshellswith a controllable shape by a combination of a porous polymer template and ananocrystal-seeded electroless plating technique. The morphology of hollow particles has astrong dependence on the seed-deposition time onto the surfaces of the original colloidaltemplate. Using this method, ordered Pt nanobowls (bowl-shaped shells) and, alternatively,nanocups (cup-shaped shells) are prepared. These materials show some intriguingproperties: (i) reduced symmetry of the building blocks; (ii) a well-ordered structure; and(iii) a high ratio of surface area to volume, all of which are useful in many areas such ascatalysts, sensors, and photonic crystals.
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