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Received: 2004-05-17

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Journal of Zhejiang University SCIENCE A 2004 Vol.5 No.12 P.1504-1508


Solvothermal synthesis of nanosized CoSb3 skutterudite

Author(s):  XIE Jian, ZHAO Xin-bing, MI Jian-li, CAO Gao-shao, TU Jiang-ping

Affiliation(s):  State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   zhaoxb@zju.edu.cn

Key Words:  Skutterudite, Solvothermal synthesis, Nanosized materials

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XIE Jian, ZHAO Xin-bing, MI Jian-li, CAO Gao-shao, TU Jiang-ping. Solvothermal synthesis of nanosized CoSb3 skutterudite[J]. Journal of Zhejiang University Science A, 2004, 5(12): 1504-1508.

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T1 - Solvothermal synthesis of nanosized CoSb3 skutterudite
A1 - XIE Jian
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A1 - MI Jian-li
A1 - CAO Gao-shao
A1 - TU Jiang-ping
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2004.1504

Nanostructures enhance phonon scattering and improve the figure of merit of thermoelectric materials. Nanosized CoSb3 skutterudite was synthesized by solvothermal methods using CoCl2 and SbCl3 as the precursors. A “two-step” model was suggested for the formation of CoSb3 based on the X-ray diffraction analysis. The first step is the formation of cobalt diantimonide in the earlier stage during the synthesis process. Diantimonide was then combined with antimony atoms to form the skutterudite structured triantimonide, CoSb3, in the later stage of the synthesis process as the second step. The synthesized CoSb3 powders consist of irregular particles with sizes of about 20 nm and sheets of about 80 nm.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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