Enhancing solid-liquid interface thermal transport using self-assembled monolayers
Open accessAbstract
The thermal conductance across solid-liquid interfaces is of interest for many applications. Using time-domain thermoreflectance, we measure the thermal conductance across self-assembled monolayers, grown on Au, to ethanol. We systematically study the effect of different functional groups and the alkyl chain length on the thermal conductance. The results show that adding this extra molecular layer can enhance the thermal transport across the solid-liquid interface. While the enhancement is up to 5 times from hexanedithiol, the enhancement from hexanethiol, undecanethiol, and hexadecanethiol is approximately a factor of 2.
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TDTR can also be applied to characterize thermal properties of liquids and fluids, such as the thermal conductivity/heat capacity of liquids, thermal conductance of solid/liquid interfaces, the heat transfer coefficient of fluids during evaporation, condensation, microchannel cooling, and flow boiling.
“For example, TDTR can also be applied to characterize thermal properties of liquids and fluids, such as the thermal conductivity/heat capacity of liquids, 103 thermal conductance of solid/liquid interfaces, 80, 233, 234 the heat transfer coefficient of fluids during evaporation, 235, 236 condensation, 237 microchannel cooling, 238 and flow boiling. 239”
From Tutorial: Time-domain thermoreflectance (TDTR) for thermal property characterization of bulk and thin film materials (2018) · cites this paper as [233]
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- Authors
- Tian, Z., Marconnet, A., & Chen, G.
- Affiliations
- Virginia Tech (US)
- Purdue University West Lafayette (US)
- Massachusetts Institute of Technology (US)
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2015-05-25
- Volume
- 106
- Issue
- 21
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W1598445632
- Cited by
- 95
- References
- 4
- Citations by year
- 2026: 5 · 2025: 13 · 2024: 5 · 2023: 7 · 2022: 14 · 2021: 7 · 2020: 6 · 2019: 5 · 2018: 7 · 2017: 14 · 2016: 8 · 2015: 3
- FWCI
- 4.33
- Type
- journal article
- Language
- en
- Open access
- green
- www.osti.gov
- Locations
- Applied Physics Letters (publishedVersion)
- OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
- DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc-sa)
- Funders
- U.S. Department of Energy
- Topics
- Physical Sciences › Materials Science › Materials Chemistry › Thermal properties of materials
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Molecular Junctions and Nanostructures
- Physical Sciences › Engineering › Biomedical Engineering › Nanopore and Nanochannel Transport Studies
- Keywords
- self-assembled monolayers, thermal conductance, ethanol, functional group effects, alkyl chain length, hexanethiol, hexadecanethiol, time-domain thermoreflectance
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