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Enhanced thermal transport at covalently functionalized carbon nanotube array interfaces

Author

Listed:
  • Sumanjeet Kaur

    (Molecular Foundry, Lawrence Berkeley National Laboratory)

  • Nachiket Raravikar

    (Assembly and test technology development, Intel Corporation)

  • Brett A. Helms

    (Molecular Foundry, Lawrence Berkeley National Laboratory)

  • Ravi Prasher

    (School of Engineering Matter, Transport and Energy, Arizona State University
    Sheetak Inc.)

  • D. Frank Ogletree

    (Molecular Foundry, Lawrence Berkeley National Laboratory)

Abstract

It has been more than a decade since the experimental demonstration that the thermal conductivity of carbon nanotubes can exceed that of diamond, which has the highest thermal conductivity among naturally occurring materials. In spite of tremendous promise as a thermal material, results have been disappointing for practical thermal systems and applications based on nanotubes. The main culprit for the dramatic shortfall in the performance of nanotubes in practical systems is high thermal interface resistance between them and other components because of weak adhesion at the interface. Here we report a sixfold reduction in the thermal interface resistance between metal surfaces and vertically aligned multiwall carbon nanotube arrays by bridging the interface with short, covalently bonded organic molecules. These results are also significant for single and multilayer graphene applications, since graphene faces similar limitations in practical systems.

Suggested Citation

  • Sumanjeet Kaur & Nachiket Raravikar & Brett A. Helms & Ravi Prasher & D. Frank Ogletree, 2014. "Enhanced thermal transport at covalently functionalized carbon nanotube array interfaces," Nature Communications, Nature, vol. 5(1), pages 1-8, May.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms4082
    DOI: 10.1038/ncomms4082
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    Cited by:

    1. Fasano, Matteo & Bozorg Bigdeli, Masoud & Vaziri Sereshk, Mohammad Rasool & Chiavazzo, Eliodoro & Asinari, Pietro, 2015. "Thermal transmittance of carbon nanotube networks: Guidelines for novel thermal storage systems and polymeric material of thermal interest," Renewable and Sustainable Energy Reviews, Elsevier, vol. 41(C), pages 1028-1036.
    2. Andreas Nylander & Josef Hansson & Majid Kabiri Samani & Christian Chandra Darmawan & Ana Borta Boyon & Laurent Divay & Lilei Ye & Yifeng Fu & Afshin Ziaei & Johan Liu, 2019. "Reliability Investigation of a Carbon Nanotube Array Thermal Interface Material," Energies, MDPI, vol. 12(11), pages 1-10, May.

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