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Improved Electrical and Thermal Conductivities of Graphene–Carbon Nanotube Composite Film as an Advanced Thermal Interface Material

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  • Youcheng Jiang

    (School of Microelectronics, Shandong Technology Center of Nanodevices and Integration, Shandong University, Jinan 250100, China)

  • Shangzhi Song

    (School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan 430074, China)

  • Mengjuan Mi

    (School of Microelectronics, Shandong Technology Center of Nanodevices and Integration, Shandong University, Jinan 250100, China)

  • Lixuan Yu

    (School of Microelectronics, Shandong Technology Center of Nanodevices and Integration, Shandong University, Jinan 250100, China)

  • Lisha Xu

    (School of Physics, Hubei University, Wuhan 430062, China)

  • Puqing Jiang

    (School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan 430074, China)

  • Yilin Wang

    (School of Microelectronics, Shandong Technology Center of Nanodevices and Integration, Shandong University, Jinan 250100, China)

Abstract

Thermal management has become a crucial issue for the rapid development of electronic devices, and thermal interface materials (TIMs) play an important role in improving heat dissipation. Recently, carbon−based TIMs, including graphene, reduced graphene oxide, and carbon nanotubes (CNTs) with high thermal conductivity, have attracted great attention. In this work, we provide graphene−carbon nanotube composite films with improved electrical and thermal conductivities. The composite films were prepared from mixed graphene oxide (GO) and CNT solutions and then were thermally reduced at a temperature greater than 2000 K to form a reduced graphene oxide (rGO)/CNT composite film. The added CNTs connect adjacent graphene layers, increase the interlayer interaction, and block the interlayer slipping of graphene layers, thereby improving the electrical conductivity, through−plane thermal conductivity, and mechanical properties of the rGO/CNT composite film at an appropriate CNT concentration. The rGO/CNT(4:1) composite film has the most desired properties with an electrical conductivity of ~2827 S/cm and an in−plane thermal conductivity of ~627 W/(m·K). The produced rGO/CNT composite film as a TIM will significantly improve the heat dissipation capability and has potential applications in thermal management of electronics.

Suggested Citation

  • Youcheng Jiang & Shangzhi Song & Mengjuan Mi & Lixuan Yu & Lisha Xu & Puqing Jiang & Yilin Wang, 2023. "Improved Electrical and Thermal Conductivities of Graphene–Carbon Nanotube Composite Film as an Advanced Thermal Interface Material," Energies, MDPI, vol. 16(3), pages 1-11, January.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:3:p:1378-:d:1050885
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    References listed on IDEAS

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    1. Krzysztof Górecki & Krzysztof Posobkiewicz, 2022. "Cooling Systems of Power Semiconductor Devices—A Review," Energies, MDPI, vol. 15(13), pages 1-29, June.
    2. Martin Maldovan, 2013. "Sound and heat revolutions in phononics," Nature, Nature, vol. 503(7475), pages 209-217, November.
    3. Richard Van Noorden, 2006. "Moving towards a graphene world," Nature, Nature, vol. 442(7100), pages 228-229, July.
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    Cited by:

    1. Vigneselvan Sivasubramaniyam & Suganthi Ramasamy & Manikandan Venkatraman & Gianluca Gatto & Amit Kumar, 2023. "Carbon Nanotubes as an Alternative to Copper Wires in Electrical Machines: A Review," Energies, MDPI, vol. 16(9), pages 1-17, April.
    2. Shijun Zhou & Shan Qing & Xiaohui Zhang & Haoming Huang & Menglin Hou, 2024. "Molecular Dynamics Simulations of Thermal Transport of Carbon Nanotube Interfaces," Energies, MDPI, vol. 17(6), pages 1-11, March.

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