Morphology and in-plane thermal conductivity of hybrid graphene sheets

被引:64
|
作者
Liu, Bo [1 ]
Reddy, C. D. [2 ]
Jiang, Jinwu [3 ]
Baimova, Julia A. [1 ]
Dmitriev, Sergey V. [4 ]
Nazarov, Ayrat A. [4 ]
Zhou, Kun [1 ]
机构
[1] Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore 639798, Singapore
[2] Inst High Performance Comp, Singapore 138632, Singapore
[3] Bauhaus Univ Weimar, Inst Struct Mech, D-99423 Weimar, Germany
[4] Russian Acad Sci, Inst Met Superplast Problems, Ufa 450001, Russia
基金
俄罗斯基础研究基金会;
关键词
REVERSIBLE HYDROGENATION;
D O I
10.1063/1.4767388
中图分类号
O59 [应用物理学];
学科分类号
摘要
This paper investigates the morphology and in-plane thermal conductivity of hybrid graphene sheets (HGSs), which consist of un-hydrogenated and single-side or double-side hydrogenated strips, via molecular dynamics simulation. The study shows that the hydrogenation styles and hydrogen coverage significantly affect the morphology and thermal conductivity of HGSs. The thermal conductivity of HGSs decreases dramatically, compared to that of pure graphene sheets, and the magnitude falls in the range of 30%-75%. Such differences are explained by conducting the phonon spectra analysis. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4767388]
引用
收藏
页数:5
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