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Title: Thermal rectification in asymmetric graphene ribbons
Authors: Yang, N. 
Zhang, G.
Li, B. 
Issue Date: 2009
Citation: Yang, N., Zhang, G., Li, B. (2009). Thermal rectification in asymmetric graphene ribbons. Applied Physics Letters 95 (3) : -. ScholarBank@NUS Repository.
Abstract: In this paper, heat flux in graphene nanoribbons has been studied by using molecular dynamics simulations. It is found that the heat flux runs preferentially along the direction of decreasing width, which demonstrates significant thermal rectification effect in the asymmetric graphene ribbons. The dependence of rectification ratio on the vertex angle and the length are also discussed. Compared to the carbon nanotube based one-dimensional thermal rectifier, graphene nanoribbons have much higher rectification ratio even in large scale. Our results demonstrate that asymmetric graphene ribbon might be a promising structure for practical thermal (phononics) device. © 2009 American Institute of Physics.
Source Title: Applied Physics Letters
ISSN: 00036951
DOI: 10.1063/1.3183587
Appears in Collections:Staff Publications

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