Improved Thermoelectric Properties of p-Type Bismuth Antimony-Based Alloys Prepared by Spark Plasma Sintering

被引：5

作者：

Chen, Z. ^{[1
,2
,3
]}

Han, Y. M. ^{[1
,2
,3
]}

Zhou, M. ^{[1
,3
]}

Song, C. M. ^{[4
]}

Huang, R. J. ^{[1
,3
]}

Zhou, Y. ^{[1
,3
]}

Li, L. F. ^{[1
,3
]}

机构：

[1] Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Cryogen, Beijing 100190, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Chinese Acad Sci, Tech Inst Phys & Chem, State Key Lab Technol Space Cryogen Propellants, Beijing 100190, Peoples R China

[4] Zunyi Normal Coll, Dept Phys, Zunyi 563002, Peoples R China

来源：

JOURNAL OF ELECTRONIC MATERIALS | 2014年 / 43卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Thermoelectric properties; Bismuth antimony; spark plasma sintering; low temperature; TRANSPORT-PROPERTIES; SB; POWER; MICROSTRUCTURE; PERFORMANCE; FIGURE;

D O I：

10.1007/s11664-014-3055-z

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Bi85Sb15-x Pb (x) (x = 0, 0.5, 1, 2, 3) alloys have been prepared by the mechanical alloying-spark plasma sintering (MA-SPS) method. X-ray diffraction and scanning electron microscopy were used to characterize the microstructure of the alloys. The effect of Pb content on the thermoelectric properties was investigated in the temperature range 77-300 K. The results showed that the electrical transport properties of the Bi-Sb alloys changed from n-type to p-type with substitution of Sb by Pb. The maximum power factor reached 1.6 x 10(-3) W/mK(2) at 190 K, a significant improvement on values reported elsewhere. This study demonstrated that high-performance p-type thermoelectric Bi-Sb materials can be obtained by spark plasma sintering.

引用

页码：1295 / 1301

页数：7

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