高温高压制备的PbSe的电学性能

宿太超; 许安涛; 李洪涛; 李尚升; 樊浩天; 马红安; 贾晓鹏

doi:10.11858/gywlxb.2013.04.004

高温高压制备的PbSe的电学性能

doi: 10.11858/gywlxb.2013.04.004

1.
河南理工大学材料科学与工程学院，环境友好型无机材料河南省高校（河南省）重点实验室培育基地，河南焦作 454003；
2.
焦作师范高等专科学校数学学院，河南焦作 454000；
3.
上海出入境检验检疫局，上海 200135；
4.
吉林大学超硬材料国家重点实验室，吉林长春 130012

详细信息

通讯作者:
贾晓鹏 E-mail:jiaxp@jlu.edu.cn

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出版历程
- 收稿日期: 2012-03-02
- 修回日期: 2012-05-23
- 发布日期: 2013-08-15

Electrical Transport Properties of PbSe Prepared by High Pressure and High Temperature

1.
Institute of Materials Science and Engineering, Cultivating Base for Key Laboratory of Environment Friendly Inorganic Materials in University of Henan Province, Henan Polytechnic University, Jiaozuo 454003, China;
2.
Department of Mathematics, Jiaozuo Teachers College, Jiaozuo 454000, China;
3.
Shanghai Entry-Exit Inspection & Quarantine Bureau, Shanghai 200135,China;
4.
National Laboratory of Superhard Materials, Jilin University, Changchun 130012, China

摘要

摘要: PbSe与热电材料PbTe同属于Ⅳ-Ⅵ族半导体材料，且晶体结构相同，但是PbSe作为热电材料的研究较少。鉴于高温高压合成能够有效提高PbTe的热电性能，利用高压熔融淬火方法制备了PbSe，并通过X射线衍射和扫描电子显微镜表征了PbSe的物相组成及微观结构，研究了合成压力及温度对PbSe电学性能的影响。结果表明，高温高压制备的PbSe具有较低的电阻率和较高的功率因子，是较好的温差发电用热电材料。
- 热电材料 /
- 高压 /
- PbSe /
- 电阻率 /
- 功率因子
Abstract: Consistent with the state of art thermoelectric material PbTe, PbSe belongs to group Ⅳ-Ⅵ semiconductor. And PbSe has the same crystal structure as PbTe. But there are few reports about PbSe as thermoelectric material. A large number of studies show that the thermoelectric performance of PbTe is improved effectively under high pressure. In this paper, PbSe was synthesized by high pressure and high temperature method. The phase compositions and microstructures of PbSe were characterized by X-ray diffraction (XRD) and scanning electron microscope (SEM). The electrical properties measurement results show that PbSe sample synthesized under high pressure has low electrical resistivity and high power factor, and therefore it is a promising thermoelectric material applicable to thermoelectric power generation.
- thermoelectric material /
- high pressure /
- PbSe /
- electrical resistivity /
- power factor

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参考文献(13)

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