Thermal properties and percolation in carbon nanotube-polymer composites

被引：277
作者：
Bonnet, P. [1 ]
Sireude, D. [1 ]
Garnier, B. [1 ]
Chauvet, O. [1 ]
机构：
[1] Univ Nantes, CNRS, UMR 6607, Lab Thermocinetique,Inst Mat Jean Rouxel, F-44322 Nantes, France
来源：
APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 20期
关键词：
D O I：
10.1063/1.2813625
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Thermal properties of single walled carbon nanotube (SWNT)/polymethylmetacrylate composite thick films have been investigated at room temperature. The introduction of similar to 7% SWNT into the polymer matrix enhances the thermal conductivity of the composite by 55% while the electrical conductivity increases by several orders of magnitude. Despite this difference, we show that the (moderate) enhancement of the thermal conductivity is quantified by the percolation of the SWNT network. A thermal conductivity of the SWNT network of similar to 55 W/m K is estimated. (c) 2007 American Institute of Physics.
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