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Gold nanoparticles have unique properties that are highly dependent on their shape and size. Synthetic methods that enable precise control over nanoparticle morphology currently require shape‐directing agents such as surfactants or polymers that force growth in a particular direction by adsorbing to specific crystal facets. These auxiliary reagents passivate the nanoparticles' surface, and thus decrease...
Different gold‐nanoparticle shapes can be produced by a new surfactant‐free synthetic strategy presented by Moritz F. Kircher and co‐workers in article number 1605622. Gold‐nanorod formation in this method is driven by re‐entrant groove defects on the end facets. Nanoparticles synthesized by this approach demonstrate excellent surface‐enhanced Raman scattering and catalytic performance.
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