Thermal transport across material interfaces is crucial for many engineering applications. For example, in microelectronics, small interfacial thermal resistance is desired to achieve efficient heat dissipation. Carbon nanotube (CNT) has extremely high thermal conductivity and can potentially serve as an efficient thermal interface material. However, heat dissipation through CNTs is limited by the large thermal resistance at the CNT-material interface. Here we have proposed a CNT-graphene junction structure to enhance the interfacial thermal transport. Non-equilibrium molecular dynamics simulations have been carried out to show that the thermal conductance can be significantly enhanced by adding a single graphene layer in between CNT and silicon. The mechanism of enhanced thermal transport is attributed to the efficient thermal transport between CNT and graphene and the good contact between graphene and silicon surface.
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ASME 2013 Heat Transfer Summer Conference collocated with the ASME 2013 7th International Conference on Energy Sustainability and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology
July 14–19, 2013
Minneapolis, Minnesota, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-5547-8
PROCEEDINGS PAPER
Enhancement of Interfacial Thermal Transport by Carbon Nanotube-Graphene Junction
Hua Bao,
Hua Bao
Shanghai Jiao Tong University, Shanghai, China
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Shirui Luo,
Shirui Luo
Shanghai Jiao Tong University, Shanghai, China
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Ming Hu
Ming Hu
RWTH Aachen University, Aachen, Germany
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Hua Bao
Shanghai Jiao Tong University, Shanghai, China
Shirui Luo
Shanghai Jiao Tong University, Shanghai, China
Ming Hu
RWTH Aachen University, Aachen, Germany
Paper No:
HT2013-17176, V001T03A039; 6 pages
Published Online:
December 21, 2013
Citation
Bao, H, Luo, S, & Hu, M. "Enhancement of Interfacial Thermal Transport by Carbon Nanotube-Graphene Junction." Proceedings of the ASME 2013 Heat Transfer Summer Conference collocated with the ASME 2013 7th International Conference on Energy Sustainability and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology. Volume 1: Heat Transfer in Energy Systems; Thermophysical Properties; Theory and Fundamental Research in Heat Transfer. Minneapolis, Minnesota, USA. July 14–19, 2013. V001T03A039. ASME. https://doi.org/10.1115/HT2013-17176
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