Thermal conductivity of a new carbon nanotube analog: The diamond nanothread

Zhan, Haifei, Zhang, Gang, Zhang, Yingyan, Tan, V.B.C., Bell, John M., & Gu, YuanTong (2016) Thermal conductivity of a new carbon nanotube analog: The diamond nanothread. Carbon, 98, pp. 232-237.

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Abstract

Based on the non-equilibrium molecular dynamics simulations, we have studied the thermal conductivities of a novel ultra-thin one-dimensional carbon nanomaterial - diamond nanothread (DNT). Unlike single-wall carbon nanotube (CNT), the existence of the Stone-Wales transformations in DNT endows it with richer thermal transport characteristics. There is a transition from wave-dominated to particle-dominated transport region, which depends on the length of poly-benzene rings. However, independent of the transport region, strong length dependence in thermal conductivity is observed in DNTs with different lengths of poly-benzene ring. The distinctive SW characteristic in DNT provides more degrees of freedom to tune the thermal conductivity not found in the homogeneous structure of CNT. Therefore, DNT is an ideal platform to investigate various thermal transport mechanisms at the nanoscale. Its high tunability raises the potential to design DNTs for different applications, such as thermal connection and temperature management.

Impact and interest:

8 citations in Scopus
8 citations in Web of Science®
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ID Code: 90466
Item Type: Journal Article
Refereed: Yes
Keywords: nanothread, thermal conductivity, superlattice, molecular dynamics simulations
DOI: 10.1016/j.carbon.2015.11.012
ISSN: 0008-6223
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > NANOTECHNOLOGY (100700) > Nanoscale Characterisation (100712)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Funding:
Copyright Owner: Copyright 2015 Elsevier
Copyright Statement: Licensed under the Creative Commons Attribution; Non-Commercial; No-Derivatives 4.0 International. DOI: 10.1016/j.carbon.2015.11.012
Deposited On: 17 Nov 2015 23:28
Last Modified: 22 Nov 2015 05:58

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