Thermal conductivity of composites with hybrid carbon nanotubes and graphene nanoplatelets

被引：65

作者：

Chu, Ke ^{[1
]}

Li, Wen-sheng ^{[1
]}

Jia, Cheng-chang ^{[2
]}

Tang, Fu-ling ^{[1
]}

机构：

[1] Lanzhou Univ Technol, State Key Lab Gansu Adv Nonferrous Met Mat, Lanzhou 730050, Peoples R China

[2] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2012年 / 101卷 / 21期

关键词：

EPOXY COMPOSITES; GRAPHITE NANOPLATELET; INTERFACE MATERIALS; RESISTANCE;

D O I：

10.1063/1.4767899

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

An analytical model of the effective thermal conductivity in composites with hybrid carbon nanotubes (CNTs) and graphene nanoplatelets (GNPs) is presented by incorporating the percolation effect with an effective medium approach. The theoretical results are found to be in reasonably good agreement with recently published experimental data which well describe the synergistic effect of thermal conductivity enhancement in hybrid CNT/GNP composites. Theoretical analysis shows that the thermal conductivity enhancement mainly relies on a GNP percolation effect triggered by the presence of CNTs, rather than the isolated CNTs and GNPs, even at very low GNP percolation threshold. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4767899]

引用

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