Interface effect on thermal conductivity of carbon nanotube composites

被引:704
作者
Nan, CW [1 ]
Liu, G
Lin, YH
Li, M
机构
[1] Tsing Hua Univ, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
[2] Tsing Hua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China
基金
美国国家科学基金会;
关键词
D O I
10.1063/1.1808874
中图分类号
O59 [应用物理学];
学科分类号
摘要
A simple formula for the thermal conductivity enhancement in carbon nanotube composites is presented by incorporating the interface thermal resistance with an effective medium approach. This model well describes the thermal conductivity enhancement observed recently in nanotube suspensions. In particular, this simple formula predicts that a large interface thermal resistance across the nanotube-matrix interface causes a significant degradation in the thermal conductivity enhancement, even for the case with ultrahigh intrinsic thermal conductivity and aspect ratio of the carbon nanotubes embedded. (C) 2004 American Institute of Physics.
引用
收藏
页码:3549 / 3551
页数:3
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