We report the preparation of polystyrene and silica-coated Au nanorods (aspect ratio 13 with 16 nm short axis). The coating resulted in a modification of the optical properties of the Au nanorods. Dissolution of the Au core from the polystyrene- and silica-coated Au nanorods using KCN enabled the formation of hollow polystyrene and silica nanotubes.
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Obare et al. (2001) studied this question.
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