journal article·2012-03-02

Thermoelectric Properties of In4Se3 Synthesized by Combing Sonochemical and SPS Method

Dan-Dan LIU, Shan-Yu WANG, Xin-Feng TANG

Journal of Inorganic Materials· Volume 27· Issue 2
Publisher page

Abstract

采用超声化学和后续还原热处理工艺合成了单相In 4 Se 3 化合物粉体, 并结合放电等离子烧结技术(SPS)制备了致密的块体材料. 对所得的块体材料的微结构和热电传输性能进行了系统研究. 结果表明, 块体样品的晶粒细小、排列紧密并存在显著的择优取向, 同时样品中存在大量精细的层状结构, 这使得块体样品的电热传输性能也表现出明显的各向异性. 由于具有较高的Seebeck系数和较低的热导率, 沿着SPS压力方向上样品表现出较好的热电性能, 其最大 ZT 值在700 K可达到0.56, 这与其它物理技术制备的In 4 Se 3 多晶材料的性能相当.
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Research context

OpenAlex topics: Advanced Thermoelectric Materials and Devices · Chalcogenide Semiconductor Thin Films · Transition Metal Oxide Nanomaterials

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References (12)

Show source-provided references
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