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Large-Scale Synthesis of Ultrathin Bi2S3 Necklace Nanowires


  • G.A.O. is Canada Research Chair in Materials Chemistry. The authors are deeply indebted to the NSERC for financial support. L.C. thanks the University of Toronto for a scholarship. R.M. thanks the Iranian Ministry of Science, Research and Technology for a scholarship and F. Farzaneh for support


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Think thin! Colloidally stable ultrathin Bi2S3 nanowires (see picture), which display strong excitonic features never before seen in bismuth chalcogenides and extremely high extinction coefficients, have been synthesized on a gram-scale. Nanostructures such as this are of very high technological potential for thermoelectric applications.

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