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Capillary compression induced outstanding n-type thermoelectric power factor in CNT films towards intelligent temperature controller

Author

Listed:
  • Hong Wang

    (Xi’an Jiaotong University
    Xi’an Jiaotong University)

  • Kuncai Li

    (Xi’an Jiaotong University)

  • Xin Hao

    (Xi’an Jiaotong University
    Xi’an Jiaotong University)

  • Jiahao Pan

    (Xi’an Jiaotong University)

  • Tiantian Zhuang

    (Xi’an Jiaotong University)

  • Xu Dai

    (Xi’an Jiaotong University)

  • Jing Wang

    (Xi’an Jiaotong University
    Xi’an Jiaotong University)

  • Bin Chen

    (Xi’an Jiaotong University
    Xi’an Jiaotong University)

  • Daotong Chong

    (Xi’an Jiaotong University
    Xi’an Jiaotong University)

Abstract

One-dimensional carbon nanotubes are promising candidates for thermoelectrics because of their excellent electrical and mechanical properties. However, the large n-type power factor remains elusive in macroscopic carbon nanotubes films. Herein, we report an outstanding n-type power factor of 6.75 mW m−1 K−2 for macroscopic carbon nanotubes films with high electrical and thermal conductivity. A high-power density curl-able thermoelectric generator is fabricated with the obtained carbon nanotubes films, which exhibits a high normalized power output density of 2.75 W m−1 at a temperature difference of 85 K. The value is higher than that of previously reported flexible all-inorganic thermoelectric generators (

Suggested Citation

  • Hong Wang & Kuncai Li & Xin Hao & Jiahao Pan & Tiantian Zhuang & Xu Dai & Jing Wang & Bin Chen & Daotong Chong, 2024. "Capillary compression induced outstanding n-type thermoelectric power factor in CNT films towards intelligent temperature controller," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-50057-x
    DOI: 10.1038/s41467-024-50057-x
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    References listed on IDEAS

    as
    1. Shohei Horike & Qingshuo Wei & Kouki Akaike & Kazuhiro Kirihara & Masakazu Mukaida & Yasuko Koshiba & Kenji Ishida, 2022. "Bicyclic-ring base doping induces n-type conduction in carbon nanotubes with outstanding thermal stability in air," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    2. Azure D. Avery & Ben H. Zhou & Jounghee Lee & Eui-Sup Lee & Elisa M. Miller & Rachelle Ihly & Devin Wesenberg & Kevin S. Mistry & Sarah L. Guillot & Barry L. Zink & Yong-Hyun Kim & Jeffrey L. Blackbur, 2016. "Tailored semiconducting carbon nanotube networks with enhanced thermoelectric properties," Nature Energy, Nature, vol. 1(4), pages 1-9, April.
    3. Sunao Shimizu & Junichi Shiogai & Nayuta Takemori & Shiro Sakai & Hiroaki Ikeda & Ryotaro Arita & Tsutomu Nojima & Atsushi Tsukazaki & Yoshihiro Iwasa, 2019. "Giant thermoelectric power factor in ultrathin FeSe superconductor," Nature Communications, Nature, vol. 10(1), pages 1-7, December.
    4. Jiasheng Liang & Jin Liu & Pengfei Qiu & Chen Ming & Zhengyang Zhou & Zhiqiang Gao & Kunpeng Zhao & Lidong Chen & Xun Shi, 2023. "Modulation of the morphotropic phase boundary for high-performance ductile thermoelectric materials," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    5. R. S. Lee & H. J. Kim & J. E. Fischer & A. Thess & R. E. Smalley, 1997. "Conductivity enhancement in single-walled carbon nanotube bundles doped with K and Br," Nature, Nature, vol. 388(6639), pages 255-257, July.
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