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
收藏
页码：2710 / 2713
页数：4
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