Colloidal nanocrystal shape and size control: the case of cobalt.

  title={Colloidal nanocrystal shape and size control: the case of cobalt.},
  author={V{\'i}ctor F. Puntes and Kannan M. Krishnan and A Paul Alivisatos},
  volume={291 5511},
We show that a relatively simple approach for controlling the colloidal synthesis of anisotropic cadmium selenide semiconductor nanorods can be extended to the size-controlled preparation of magnetic cobalt nanorods as well as spherically shaped nanocrystals. This approach helps define a minimum feature set needed to separately control the sizes and shapes of nanocrystals. The resulting cobalt nanocrystals produce interesting two- and three-dimensional superstructures, including ribbons of… CONTINUE READING

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