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Hydrothermal Synthesis and Thermoelectric Transport Properties of Impurity-Free Antimony Telluride Hexagonal Nanoplates

Authors

  • Weidong Shi,

    1. Key Laboratory of Rare Earth Chemistry and Physics Changchun Institute of Applied Chemistry Graduate School of the Chinese Academy of Sciences Chinese Academy of Sciences Changchun 130022 (P.R. China)
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  • Liang Zhou,

    1. Key Laboratory of Rare Earth Chemistry and Physics Changchun Institute of Applied Chemistry Graduate School of the Chinese Academy of Sciences Chinese Academy of Sciences Changchun 130022 (P.R. China)
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  • Shuyan Song,

    1. Key Laboratory of Rare Earth Chemistry and Physics Changchun Institute of Applied Chemistry Graduate School of the Chinese Academy of Sciences Chinese Academy of Sciences Changchun 130022 (P.R. China)
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  • Jianhui Yang,

    1. Key Laboratory of Rare Earth Chemistry and Physics Changchun Institute of Applied Chemistry Graduate School of the Chinese Academy of Sciences Chinese Academy of Sciences Changchun 130022 (P.R. China)
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  • Hongjie Zhang

    Corresponding author
    1. Key Laboratory of Rare Earth Chemistry and Physics Changchun Institute of Applied Chemistry Graduate School of the Chinese Academy of Sciences Chinese Academy of Sciences Changchun 130022 (P.R. China)
    • Key Laboratory of Rare Earth Chemistry and Physics Changchun Institute of Applied Chemistry Graduate School of the Chinese Academy of Sciences Chinese Academy of Sciences Changchun 130022 (P.R. China).
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  • The authors are grateful to the financial aid from the National Natural Science Foundation of China (Grant Nos. 20490210, 20631040, 20602035, and 20610102007) and the MOST of China (Grant Nos. 2006CB601103, 2006DFA42610). Supporting Information is available online from Wiley InterScience or from the authors.

Abstract

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Impurity-free single-crystalline antimony telluride hexagonal nanoplates (see figure) are synthesized by a facile and quick hydrothermal treatment without any organic additives or templates. The inherent crystal structure is the driving force for the growth of these Sb2Te3 hexagonal nanoplates. Films of these nanoplates shows p-type behavior, and exhibit a promisingly high Seebeck coefficient of 125 µV K−1 at room temperature.

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