The P-type perovskite oxides La1−xSrxCoO3 (x∼0.05) are a promising group of complex oxide thermoelectric materials. The thermal electric properties of these complexes are expected to increase significantly when their dimension was reduced to nano scale. In this project, the La1-xSrxCoO3 (x∼0.05) nanofibers, with diameters in the range of ∼30–80 nm, were prepared by the electrospinning process. Various substrates such as aluminum foil, silicon dioxide, and a specially designed tester were used to collect and anneal the nanofibers. X-ray diffraction (XRD) and scanning electron microscopy (SEM) were conducted to characterize these thermoelectric nanofibers. Finally, a thermoelectric property tester device was developed and used to measure the voltage output of the nanofibers due to the Seebeck effect. The detected signal was at the mV level and the Seebeck coefficient was positive.
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ASME 2009 International Mechanical Engineering Congress and Exposition
November 13–19, 2009
Lake Buena Vista, Florida, USA
Conference Sponsors:
- ASME
ISBN:
978-0-7918-4387-1
PROCEEDINGS PAPER
Fabrication and Characterization of Thermoelectric Oxide La1−xSrxCoO3 (x∼0.05) Nanofibers
Weihe Xu,
Weihe Xu
Stevens Institute of Technology, Hoboken, NJ
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Shiyou Xu,
Shiyou Xu
Stevens Institute of Technology, Hoboken, NJ
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Dante Smiriglio,
Dante Smiriglio
Stevens Institute of Technology, Hoboken, NJ
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Yong Shi
Yong Shi
Stevens Institute of Technology, Hoboken, NJ
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Weihe Xu
Stevens Institute of Technology, Hoboken, NJ
Shiyou Xu
Stevens Institute of Technology, Hoboken, NJ
Dante Smiriglio
Stevens Institute of Technology, Hoboken, NJ
Yong Shi
Stevens Institute of Technology, Hoboken, NJ
Paper No:
IMECE2009-11849, pp. 247-250; 4 pages
Published Online:
July 8, 2010
Citation
Xu, W, Xu, S, Smiriglio, D, & Shi, Y. "Fabrication and Characterization of Thermoelectric Oxide La1−xSrxCoO3 (x∼0.05) Nanofibers." Proceedings of the ASME 2009 International Mechanical Engineering Congress and Exposition. Volume 14: Processing and Engineering Applications of Novel Materials. Lake Buena Vista, Florida, USA. November 13–19, 2009. pp. 247-250. ASME. https://doi.org/10.1115/IMECE2009-11849
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