自传播高温合成sic掺杂Cu2Se化合物：热电性质

IF 0.5 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2025-01-20 DOI:10.3103/S1061386224700304

G. R. Nigmatullina, D. Yu. Kovalev, A. V. Karpov

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引用次数: 0

摘要

采用自蔓延高温合成方法制备了SiC含量高达5 wt %的Cu2Se热电化合物。SiC的加入改善了材料的热电性能，电导率提高了20%，塞贝克系数提高了60%。在900 K时，Cu2Se - 5 wt % SiC的热电功率因数为14.4 μW cm-1 K - 2，是Cu2Se的3倍。

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Self-Propagating High-Temperature Synthesis of SiC-Doped Cu2Se Compound: Thermoelectric Properties

Cu₂Se thermoelectric compound containing up to 5 wt % SiC was prepared via self-propagating high-temperature synthesis. Doping SiC was shown to improve the thermoelectric properties and get 20% increase in the electrical conductivity and 60% increase in the Seebeck coefficient. The thermoelectric power factor of Cu₂Se–5 wt % SiC was found to be 14.4 μW cm^–1 K^–2 at 900 K, which is 3 times higher than that of Cu₂Se.

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来源期刊

International Journal of Self-Propagating High-Temperature Synthesis MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

1.00

自引率

33.30%

发文量

期刊介绍： International Journal of Self-Propagating High-Temperature Synthesis is an international journal covering a wide range of topics concerned with self-propagating high-temperature synthesis (SHS), the process for the production of advanced materials based on solid-state combustion utilizing internally generated chemical energy. Subjects range from the fundamentals of SHS processes, chemistry and technology of SHS products and advanced materials to problems concerned with related fields, such as the kinetics and thermodynamics of high-temperature chemical reactions, combustion theory, macroscopic kinetics of nonisothermic processes, etc. The journal is intended to provide a wide-ranging exchange of research results and a better understanding of developmental and innovative trends in SHS science and applications.