Enhanced Thermoelectric Properties of Core/Shell Heterostructure Nanowire Composites

Authors

  • Genqiang Zhang,

    1. Hefei National Laboratory for Physical Sciences at the Microscale, Department of Physics University of Science and Technology of China Hefei, Anhui, 230026 (PR China)
    2. International Center for Materials Physics, Academia Sinica, Shenyang 110015 (PR China)
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  • Wei Wang,

    1. Hefei National Laboratory for Physical Sciences at the Microscale, Department of Physics University of Science and Technology of China Hefei, Anhui, 230026 (PR China)
    2. International Center for Materials Physics, Academia Sinica, Shenyang 110015 (PR China)
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  • Xiaoguang Li

    Corresponding author
    1. Hefei National Laboratory for Physical Sciences at the Microscale, Department of Physics University of Science and Technology of China Hefei, Anhui, 230026 (PR China)
    2. International Center for Materials Physics, Academia Sinica, Shenyang 110015 (PR China)
    • International Center for Materials Physics, Academia Sinica, Shenyang 110015 (PR China).
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  • This work was supported by the National Natural Science Foundation of China (50721061) and the National Basic Research Program of China (2006CB922005). Supporting Information is available online from Wiley InterScience or from the authors.

Abstract

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Microstructure analysis indicates that Te/Bi core/shell nanowires are formed by a solution phase epitaxial growth process. The obtained Te/Bi core/shell nanowire composites possess a greatly enhanced Seebeck coefficient and a lowered thermal conductivity.

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