Room temperature thermal conductance of alkanedithiol self-assembled monolayers

Robert Y. Wang, Rachel A. Segalman, Arun Majumdar

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Abstract

Solid-solid junctions with an interfacial self-assembled monolayer (SAM) are a class of interfaces with very low thermal conductance. Au-SAM-GaAs junctions were made using alkanedithiol SAMs and fabricated by nanotransfer printing. Measurements of thermal conductance using the 3ω technique were very robust and no thermal conductance dependence on alkane chain length was observed. The thermal conductances using octanedithiol, nonanedithiol, and decanedithiol SAMs at room temperature are 27.6±2.9, 28.2±1.8, and 25.6±2.4 MW m-2 K-1, respectively.

Original languageEnglish (US)
Article number173113
JournalApplied Physics Letters
Volume89
Issue number17
DOIs
StatePublished - Nov 6 2006
Externally publishedYes

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ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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