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Keywords:

  • gold nanostructures;
  • stellate polyhedra;
  • seed-mediated growth;
  • surfactant-free synthesis;
  • nanoparticles
Thumbnail image of graphical abstract

New Type of Gold Nanoparticle: A new class of fivefold stellate polyhedral gold nanoparticles (FSPAuNPs) with {110} facets have been synthesized by a seed-mediated growth method without adding surfactant. The size of FSPAuNPs can be simply adjusted from nanoscale to microscale by varying the amount of seeds, which results in a shift of the surface plasmon resonance peak from the visible to the NIR range.