Journal
SMALL
Volume 1, Issue 8-9, Pages 875-882Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.200500014
Keywords
gold; micelles; nanoparticles; nanorods; template synthesis
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An aqueous surfactant-based colloidal chemical method is reported for the synthesis of anisotropic noble-metal nanoparticles on the milligram to multigram scale. Fine control of the nucleation-growth kinetics and rodlike micelle-induced breaking of symmetry at the early stage of particle growth are responsible for high-quality anisotropic nanoparticles. Near. monodisperse gold and silver nanorods, spheroids, nanowires, platej'ets, or cubes of 4-50 nm dimension and controllable aspect ratio can be prepared. The method may also be extended to semiconductor systems.
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