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Issue 1, 2015
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A thermal diode and novel implementation in a phase-change material

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Abstract

The development of devices suitable for heat management requires materials whose thermal properties and synthesis are well controlled. Phase-changing materials are both highly tunable and well characterized, and therefore promising as building blocks for thermal devices. Here we introduce a novel design of a thermal diode based on a phase changing material, and we validate it by realizing a proof-of-concept device consisting of a series of PNIPAM (the phase changing material) and PDMS. Thermal measurements of our thermal diode demonstrate heat rectification, with a rectification coefficient on the order of two. A simple model is used to describe the experimental results.

Graphical abstract: A thermal diode and novel implementation in a phase-change material

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Publication details

The article was received on 09 Oct 2014, accepted on 18 Nov 2014 and first published on 18 Nov 2014


Article type: Communication
DOI: 10.1039/C4MH00193A
Citation: Mater. Horiz., 2015,2, 125-129
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    A thermal diode and novel implementation in a phase-change material

    E. Pallecchi, Z. Chen, G. E. Fernandes, Y. Wan, J. H. Kim and J. Xu, Mater. Horiz., 2015, 2, 125
    DOI: 10.1039/C4MH00193A

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