Thermoelectric Properties of Pb-Doped BiCuSeO Ceramics

被引：58

作者：

Liu, Yao-chun ^{[1
,2
]}

Lan, Jin-Le ^{[1
]}

Zhan, Bin ^{[1
]}

Ding, Junxuan ^{[1
]}

Liu, Yong ^{[3
]}

Lin, Yuan-Hua ^{[1
]}

Zhang, Boping ^{[2
]}

Nan, Ce-wen ^{[1
]}

机构：

[1] Tsinghua Univ, Sch Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China

[2] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China

[3] Beijing Inst Aeronaut Mat, Lab Struct Steel Funct Mat & Heat Treatment Proc, Beijing 100095, Peoples R China

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2013年 / 96卷 / 09期

基金：

中国国家自然科学基金;

关键词：

PERFORMANCE;

D O I：

10.1111/jace.12528

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A high-performance thermoelectric BiCuSeO oxyselenides has been prepared by a simple fabrication approach. Phase composition and microstructure analysis indicate that the obtained ceramic samples are almost BiCuSeO phase with plate structure. Our results show that Pb-doped BiCuSeO bulks have good electrical conductivity, large Seebeck coefficient, and low thermal conductivity. A large power factor similar to 672/Wm/K2 at 573K can be observed in the BiCuSeO ceramic by the 10% Pb doping, and the dimensionless figure of merit (ZT) can reach 0.95 at 873K, which makes them promising candidates for thermoelectric applications.

引用

页码：2710 / 2713

页数：4

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