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Dual-mode solid-state thermal rectification

Author

Listed:
  • Ramesh Shrestha

    (Carnegie Mellon University)

  • Yuxuan Luan

    (Carnegie Mellon University)

  • Xiao Luo

    (Carnegie Mellon University)

  • Sunmi Shin

    (University of California at San Diego)

  • Teng Zhang

    (University of Notre Dame)

  • Phil Smith

    (Carnegie Mellon University)

  • Wei Gong

    (Carnegie Mellon University)

  • Michael Bockstaller

    (Carnegie Mellon University)

  • Tengfei Luo

    (University of Notre Dame)

  • Renkun Chen

    (University of California at San Diego)

  • Kedar Hippalgaonkar

    (Agency for Science Technology and Research)

  • Sheng Shen

    (Carnegie Mellon University)

Abstract

Thermal rectification is an exotic thermal transport phenomenon which allows heat to transfer in one direction but block the other. We demonstrate an unusual dual-mode solid-state thermal rectification effect using a heterogeneous “irradiated-pristine” polyethylene nanofiber junction as a nanoscale thermal diode, in which heat flow can be rectified in both directions by changing the working temperature. For the nanofiber samples measured here, we observe a maximum thermal rectification factor as large as ~50%, which only requires a small temperature bias of

Suggested Citation

  • Ramesh Shrestha & Yuxuan Luan & Xiao Luo & Sunmi Shin & Teng Zhang & Phil Smith & Wei Gong & Michael Bockstaller & Tengfei Luo & Renkun Chen & Kedar Hippalgaonkar & Sheng Shen, 2020. "Dual-mode solid-state thermal rectification," Nature Communications, Nature, vol. 11(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-18212-2
    DOI: 10.1038/s41467-020-18212-2
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