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Direct Synthesis of Se@CdSe Nanocables and CdSe Nanotubes by Reacting Cadmium Salts with Se Nanowires


  • This work has been supported in part by the STC Program of the National Science Foundation (NSF) under Agreement Number DMR-0120967, a Career Award from the NSF (DMR-9983893), and a Fellowship from the David and Lucile Packard Foundation. Y. X. is a Camille Dreyfus Teacher Scholar (2002) and an Alfred P. Sloan Research Fellow (2000). T. H. and B. M. thank the Center for Nanotechnology at the UW for the IGERT Fellowship Awards supported by the NSF (DGE-9987620).


Se@CdSe nanocables and CdSe nanotubes with diameters of around 50 nm (see Figure) can be directly synthesized via a template- engaged approach in aqueous solution. The walls of these nanotubes are composed of CdSe nanoparticles 5–10 nm in size. It is believed this approach can be potentially extended to process many other chalcogenides into tubular nanostructures.

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