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Solvothermal preparations of nanocrystalline Bi2Te3 powders and the study on their characterizations

  • Xiaohua Ji (a1), Xinbing Zhao (a1), Yanhua Zhang (a1), Bo-hui Lu (a1) and Hualiang Ni (a1)...

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[Abstract] Bi2Te 3 nanoparticles of 15∼25nm were prepared via solvothermal processes in which pyridine, absolute ethanol and distilled water were used as reaction medium respectively. The XRD and TEM have been applied to analyze the samples, and the grain sizes have also been calculated by Scherrer Equation. The results showed that in these experiments, all of the reaction products' purity, crystallization, grain size and tropism increased with dielectric constant and polarity of the solvent. A novel Bi2Te3 nanowires with several tens to a hundred nanometers diameter and up to more than ten microns length have been prepared when distilled water was used as reaction medium.

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Solvothermal preparations of nanocrystalline Bi2Te3 powders and the study on their characterizations

  • Xiaohua Ji (a1), Xinbing Zhao (a1), Yanhua Zhang (a1), Bo-hui Lu (a1) and Hualiang Ni (a1)...

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