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

页码：S41 / S45

页数：5

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