Thermoelectric properties of p-type (Bi2Te3)x(Sb2Te3)1-x prepared by spark plasma sintering

被引：26

作者：

Li, D. ^{[1
]}

Sun, R. R. ^{[1
]}

Qin, X. Y. ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China

来源：

INTERMETALLICS | 2011年 / 19卷 / 12期

关键词：

Ternary alloy systems; Electrical resistance and other electrical properties; Thermoelectric properties; ANTISITE DEFECTS; CRYSTALS; ALLOYS;

D O I：

10.1016/j.intermet.2011.07.010

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

High performance (Bi2Te3)(x)(Sb2Te3)(1-x) bulk materials have been prepared by combining fusion technique with spark plasma sintering, and their thermoelectric properties have been investigated. With the increase of Bi2Te3 content, the electrical resistivity and Seebeck coefficient increase greatly and the thermal conductivity decreases significantly, which lead to a great improvement in the thermoelectric figure of merit ZT. The maximum ZT value reaches 1.33 at 398 K for the composition of 20% Bi2Te3-80% Sb2Te3 with 3 wt% excess Te. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：2002 / 2005

页数：4

共 13 条

[1] Syntheses and thermoelectric properties of Bi2Te3/Sb2Te3 bulk nanocomposites with laminated nanostructure [J].

Cao, Y. Q. ;

Zhao, X. B. ;

Zhu, T. J. ;

Zhang, X. B. ;

Tu, J. P. .

APPLIED PHYSICS LETTERS, 2008, 92 (14)

[2] ENERGY FORMATION OF ANTISITE DEFECTS IN DOPED SB2TE3 AND BI2TE3 CRYSTALS [J].

HORAK, J ;

CERMAK, K ;

KOUDELKA, L .

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 1986, 47 (08) :805-809

[3] Thermoelectric properties of p-type (Bi2Te3)x(Sb2Te3)1-x crystals prepared via zone melting [J].

Jiang, J ;

Chen, LD ;

Bai, SQ ;

Yao, Q ;

Wang, Q .

JOURNAL OF CRYSTAL GROWTH, 2005, 277 (1-4) :258-263

[4] Influence of powder morphology on thermoelectric anisotropy of spark-plasma-sintered Bi-Te-based thermoelectric materials [J].

Kim, Dong Hwan ;

Kim, Cham ;

Heo, Seong Hyeon ;

Kim, Hoyoung .

ACTA MATERIALIA, 2011, 59 (01) :405-411

[5] Thermoelectric properties of the p-type Bi2Te3-Sb2Te3-Sb2Se3 alloys fabricated by mechanical alloying and hot pressing [J].

Kim, HC ;

Oh, TS ;

Hyun, DB .

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 2000, 61 (05) :743-749

[6] High-thermoelectric performance of nanostructured bismuth antimony telluride bulk alloys [J].

Poudel, Bed ;

Hao, Qing ;

Ma, Yi ;

Lan, Yucheng ;

Minnich, Austin ;

Yu, Bo ;

Yan, Xiao ;

Wang, Dezhi ;

Muto, Andrew ;

Vashaee, Daryoosh ;

Chen, Xiaoyuan ;

Liu, Junming ;

Dresselhaus, Mildred S. ;

Chen, Gang ;

Ren, Zhifeng .

SCIENCE, 2008, 320 (5876) :634-638

[7] Filled skutterudite antimonides: Electron crystals and phonon glasses [J].

Sales, BC ;

Mandrus, D ;

Chakoumakos, BC ;

Keppens, V ;

Thompson, JR .

PHYSICAL REVIEW B, 1997, 56 (23) :15081-15089

[8] Complex thermoelectric materials [J].

Snyder, G. Jeffrey ;

Toberer, Eric S. .

NATURE MATERIALS, 2008, 7 (02) :105-114

[9] ANTISITE DEFECTS IN SB2-XBIXTE3 MIXED-CRYSTALS [J].

STARY, Z ;

HORAK, J ;

STORDEUR, M ;

STOLZER, M .

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 1988, 49 (01) :29-34

[10] Thermoelectrics: Direct solar thermal energy conversion [J].

Tritt, Terry M. ;

Boettner, Harald ;

Chen, Lidong .

MRS BULLETIN, 2008, 33 (04) :366-368

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