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Designing hollow nano gold golf balls.

  • Author(s): Landon, Preston B
  • Mo, Alexander H
  • Zhang, Chen
  • Emerson, Chris D
  • Printz, Adam D
  • Gomez, Alan F
  • DeLaTorre, Christopher J
  • Colburn, David AM
  • Anzenberg, Paula
  • Eliceiri, Matthew
  • O'Connell, Connor
  • Lal, Ratnesh
  • et al.

Published Web Location

https://doi.org/10.1021/am502519x
Abstract

Hollow/porous nanoparticles, including nanocarriers, nanoshells, and mesoporous materials have applications in catalysis, photonics, biosensing, and delivery of theranostic agents. Using a hierarchical template synthesis scheme, we have synthesized a nanocarrier mimicking a golf ball, consisting of (i) solid silica core with a pitted gold surface and (ii) a hollow/porous gold shell without silica. The template consisted of 100 nm polystyrene beads attached to a larger silica core. Selective gold plating of the core followed by removal of the polystyrene beads produced a golf ball-like nanostructure with 100 nm pits. Dissolution of the silica core produced a hollow/porous golf ball-like nanostructure.

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