期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 121, 期 25, 页码 13474-13480出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpcc.7b02123
关键词
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资金
- French National Research Agency (ANR) [ANR-13-BS10-0008]
- Agence Nationale de la Recherche (ANR) [ANR-13-BS10-0008] Funding Source: Agence Nationale de la Recherche (ANR)
The ability of metallic nanoparticles to supply heat to a liquid environment under exposure to an external optical field has attracted growing interest for biomedical applications. Controlling the thermal transport properties at a solid liquid interface then appears to be particularly relevant. In this work, we address the thermal transport between water and a gold surface coated by a polymer layer. Using molecular dynamics simulations, we demonstrate that increasing the polymer density displaces the domain resisting to the heat flow, while it does not affect the final amount of thermal energy released in the liquid. This unexpected behavior results from a trade-off established by the increasing polymer density which couples more efficiently with the solid but initiates a counterbalancing resistance with the liquid.
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