Heat Transport between Au Nanorods, Surrounding Liquids, and Solid Supports
Abstract
We report experimental studies of heat transport for a system of Au nanorods immobilized on a crystalline quartz support and immersed in various organic fluids. The Au nanorods are abruptly heated by a subpicosecond optical pulse; the cooling of the Au nanorods is monitored by transient absorption. We analyze the data using a three-dimensional model that describes heat flow between the nanorod and fluid with an additional interface thermal conductance added to account for heat transport between the Au nanorods and the high thermal conductivity support. For methanol, ethanol, toluene, and hexane, the thermal conductance of the nanorod/fluid interface falls within a narrow range: 36 ± 4 MW m –2 K –1 for methanol, 32 ± 6 MW m –2 K –1 for ethanol, 30 ± 5 MW m –2 K –1 for toluene, and 25 ± 4 MW m –2 K –1 for hexane.
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TDTR can also be easily adapted to transient absorption and be exploited to study thermophysical phenomena in nanoparticle solutions, such as the heat diffusion from particles to the surroundings and thermal transport across surfactants.
“TDTR can also be easily adapted to transient absorption and be exploited to study thermophysical phenomena in nanoparticle solutions, such as the heat diffusion from particles to the surroundings and thermal transport across surfactants, 240-243”
From Tutorial: Time-domain thermoreflectance (TDTR) for thermal property characterization of bulk and thin film materials (2018) · cites this paper as [243]
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References 34 · Cited by 57
- Authors
- Park, J., Huang, J., Wang, W., Murphy, C. J., & Cahill, D. G.
- Affiliations
- University of Illinois Urbana-Champaign (US)
- Corresponding author
- Park, Jonglo
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-12-10
- Volume
- 116
- Issue
- 50
- Pages
- 26335-26341
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W2083748787
- Cited by
- 57
- References
- 34
- Citations by year
- 2026: 1 · 2025: 2 · 2024: 3 · 2023: 2 · 2022: 4 · 2021: 5 · 2020: 4 · 2019: 6 · 2018: 5 · 2017: 5 · 2016: 10 · 2015: 4 · 2014: 5 · 2013: 1
- FWCI
- 1.24
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- The Journal of Physical Chemistry C (publishedVersion)
- Topics
- Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Gold and Silver Nanoparticles Synthesis and Applications
- Physical Sciences › Materials Science › Materials Chemistry › Thermal properties of materials
- Physical Sciences › Engineering › Biomedical Engineering › Plasmonic and Surface Plasmon Research
- Keywords
- gold nanorods, heat transport, interface thermal conductance, crystalline quartz, organic solvents, methanol, ethanol, toluene, n-hexane, transient absorption spectroscopy
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