Morphology controlled synthesis of nanostructured Bi2Te 3

Hee Jin Kim, Mi Kyung Han, Ha Young Kim, Wooyoung Lee, Sung Jin Kim

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18 Scopus citations


Nanostructured thermoelectric bismuth telluride (Bi2Te 3) powders with various morphologies, such as nanoplates, nanorods, and nanotubes, were prepared by a hydrothermal method based on the reaction between BiCl3, Te, and sodium ethylenediaminetetraacetate (Na 2-EDTA) at 150, 180, and 210 °C. The products were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM), and selected area electron diffraction (SAED). The effect of reaction temperature on the morphology of the Bi2Te3 particles was investigated, and the possible mechanism of morphology control was proposed.

Original languageEnglish
Pages (from-to)3977-3980
Number of pages4
JournalBulletin of the Korean Chemical Society
Issue number12
StatePublished - 20 Dec 2012


  • BiTe
  • Growth mechanism
  • Nanoparticle
  • Nanorod
  • Thermoelectric material


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