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Thermoelectric Properties of Electrodeposited BiSbTe Nanowires

Published online by Cambridge University Press:  01 February 2011

Raja Sekharam Mannam  and
Despina Davis
Raja Sekharam Mannam
Affiliation:
rsm020@latech.edu, Louisiana Tech University, Institute for Micromanufacturing, Ruston, Louisiana, United States
Despina Davis
Affiliation:
ddavis@latech.edu, Louisiana Tech University, Institute for Micromanufacturing, Ruston, Louisiana, United States
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Abstract

Bismuth antimony telluride (BiSbTe) nanowires were electrodeposited at constant potentials into polycarbonate templates from a tartaric-nitric acid baths having different electrolyte compositions. Composition analysis of the nanowires showed that Sb deposits at higher potentials compared to BiTe. Maximum seebeck coefficients of -337.7 μV/K and 227.2 μV/K were obtained for n-type and p-type nanowires samples Bi4.6Te5.4 and Bi4.3Sb5 respectively. Nonmonotonic resistance behavior was observed for all the nanowires.

Keywords

Bielectrodepositionthermoelectricity
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1267: Symposium DD – Thermoelectric Materials 2010-Growth, Properties, Novel Characterization Methods and Applications , 2010 , 1267-DD08-02
Copyright
Copyright © Materials Research Society 2010

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