In-plane lattice thermal conductivities of multilayer graphene films

被引：167

作者：

Wei, Zhiyong ^{[1
]}

Ni, Zhonghua ^{[1
]}

Bi, Kedong ^{[1
]}

Chen, Minhua ^{[1
]}

Chen, Yunfei ^{[1
]}

机构：

[1] Southeast Univ, Sch Mech Engn, Jiangsu Key Lab Design & Mfg Micronano Biomed Ins, Nanjing 210096, Peoples R China

来源：

CARBON | 2011年 / 49卷 / 08期

关键词：

MOLECULAR-DYNAMICS SIMULATION; CARBON; GRAPHITE; SIZE;

D O I：

10.1016/j.carbon.2011.02.051

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The in-plane lattice thermal conductivities of a single layer and multilayer graphene films are investigated using nonequilibrium molecular dynamics simulations. It is found the thermal conductivity of a single layer graphene is higher than that of multilayer graphene. Increasing the bonding strength between neighboring layers will reduce the in-plane thermal conductivity for multilayer graphene films. The constraints from the neighboring layer play the role of impeding phonon transport along the in-plane direction in multilayer graphene films. This observation implies the thermal conductivity of a single layer graphene will be reduced in practical applications once it is bonded on a substrate. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：2653 / 2658

页数：6

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