Variations of the thermoelectric characteristics of ZnO nanofibers from the use of a thermal treatment

Yoonbeom Park; Kyoungah Cho; Donghoon Lee; Sangsig Kim

doi:10.4313/TEEM.2016.17.4.208

Variations of the thermoelectric characteristics of ZnO nanofibers from the use of a thermal treatment

Yoonbeom Park, Kyoungah Cho, Donghoon Lee, Sangsig Kim

School of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

In this study, thermal-treatment-derived variations of the thermoelectric characteristics of ZnO nanofibers (NFs) are examined. NFs that were prepared by electrospinning were transformed into n-type ZnO NFs after they were exposed to thermal heating for 30 min at 550°C. For the ZnO NFs, the Seebeck coefficient decreased from - 132.1 µV/K to - 44.6 µV/K over the heating-time range of 30 min to 120 min, while the electrical conductivity increased from 2.07 × 10^-3 S/ m to 0.18 S/m.

Original language	English
Pages (from-to)	208-211
Number of pages	4
Journal	Transactions on Electrical and Electronic Materials
Volume	17
Issue number	4
DOIs	https://doi.org/10.4313/TEEM.2016.17.4.208
Publication status	Published - 2016 Aug 1

Keywords

Sintering
Thermoelectric
ZnO

ASJC Scopus subject areas

Electrical and Electronic Engineering
Electronic, Optical and Magnetic Materials

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abstract = "In this study, thermal-treatment-derived variations of the thermoelectric characteristics of ZnO nanofibers (NFs) are examined. NFs that were prepared by electrospinning were transformed into n-type ZnO NFs after they were exposed to thermal heating for 30 min at 550°C. For the ZnO NFs, the Seebeck coefficient decreased from - 132.1 µV/K to - 44.6 µV/K over the heating-time range of 30 min to 120 min, while the electrical conductivity increased from 2.07 × 10-3 S/ m to 0.18 S/m.",

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AB - In this study, thermal-treatment-derived variations of the thermoelectric characteristics of ZnO nanofibers (NFs) are examined. NFs that were prepared by electrospinning were transformed into n-type ZnO NFs after they were exposed to thermal heating for 30 min at 550°C. For the ZnO NFs, the Seebeck coefficient decreased from - 132.1 µV/K to - 44.6 µV/K over the heating-time range of 30 min to 120 min, while the electrical conductivity increased from 2.07 × 10-3 S/ m to 0.18 S/m.

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