A facile energy-saving route of fabricating thermoelectric Sb2Te3-Te nanocomposites and nanosized Te

En Yu Liu, Fei Hung Lin, Zong Ren Yang, Chia Jyi Liu

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Abstract

A facile energy-saving route is developed for fabricating Sb2Te3Te nanocomposites and nanosized Te powders. The fabrication route not only avoids using organic chemicals, but also keeps the energy consumption to a minimum. The fabrication procedure involves two steps. Energetic precursors of nanosized powders of Sb and Te are produced at room temperature followed by hot pressing at 4008C under 70 MPa for 1 h. The resulting Sb2Te3-Te nanocomposite exhibits enhanced power factor. The dimensionless figure of merit zT value of the Sb2Te3-Te nanocomposite is 0.29 at 475 K.

Original languageEnglish
Article number180698
JournalRoyal Society Open Science
Volume5
Issue number10
DOIs
Publication statusPublished - 2018 Oct 1

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