Dual-mode solid-state thermal rectification

Ramesh Shrestha, Yuxuan Luan, Xiao Luo, Sunmi Shin, Teng Zhang, Phil Smith, Wei Gong, Michael Bockstaller, Tengfei Luo, Renkun Chen, Kedar Hippalgaonkar and Sheng Shen ()
Additional contact information
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

Nature Communications, 2020, vol. 11, issue 1, 1-7

Abstract: 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

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-18212-2

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DOI: 10.1038/s41467-020-18212-2

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