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Synthesis of Nanostructured Antimony Telluride for Thermoelectric Applications

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Abstract

Thermoelectric (TE) materials have been studied during past decades since they can generate electricity directly from waste heat. Antimony chalcogenides (Sb2M3, M = S, Se, Te) are well known as one of the promising candidates among the inorganic TE materials. We report on the synthesis of Sb2Te3 nanoparticle via thermolysis method. A systematic study was done to investigate the effect of reaction time and ratio between the precursors as well as the method of cooling on the morphology and composition of obtained nanoparticles. The ratio between precursors was varied to study the effect on the morphology. Furthermore, the high purity phase Sb2Te3 was obtained by a rapid cooling process.

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acknowledgments

Authors acknowledge the financial support from Swedish Foundation for Strategic Research (SSF, Grant no EM11-0002) and Swedish Research Council (VR-SRL 2013-6780). Y. Zhao also acknowledges the Knut and Alice Wallenberg Foundation “Jubilee appropriation” (nr V-2014-0013) for scholarship. Authors also acknowledge Docent Wubeshet Sahle for his help with EDX analysis.

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Zhao, Y., Sugunan, A., Muhammed, M. et al. Synthesis of Nanostructured Antimony Telluride for Thermoelectric Applications. MRS Online Proceedings Library 1742, 1–6 (2015). https://doi.org/10.1557/opl.2015.141

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  • DOI: https://doi.org/10.1557/opl.2015.141

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