Thermoelectric energy-conversion characteristics of n-type Bi2(Te,Se)3 nanocomposites processed with carbon nanotube dispersion

被引：37
|
作者：
Park, Dong-Hyun [1 ]
Kim, Min-Young [1 ]
Oh, Tae-Sung [1 ]
机构：
[1] Hongik Univ, Dept Mat Sci & Engn, Seoul 121791, South Korea
来源：
CURRENT APPLIED PHYSICS | 2011年 / 11卷 / 04期
关键词：
Thermoelectrics; Nanocomposites; Figure of merit; Carbon nanotube; PERFORMANCE;
D O I：
10.1016/j.cap.2011.07.007
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study, n-type Bi-2(Te0.9Se0.1)3 nanocomposites were processed by hot-pressing with dispersion of multiwalled carbon nanotubes (MWCNTs) up to 0.15 vol%. With 0.01 and 0.015 vol% MWCNT dispersion, it was possible to decrease the thermal conductivity of the Bi-2(Te0.9Se0.1)(3) nanocomposite without deteriorating the electrical resistivity. A maximum dimensionless figure-of-merit of 0.98 at 150 degrees C was obtained for the nanocomposite with 0.015 vol% MWCNT dispersion, as compared to 0.88 of the hot-pressed specimen without MWCNT dispersion. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：S41 / S45
页数：5
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