Kapitza Resistance between Few-Layer Graphene and Water: Liquid Layering Effects

Dmitry Alexeev, Jie Chen, Jens Honore Walther, Konstantinos P. Giapis, Panagiotis Angelikopoulos, Petros Koumoutsakos

Research output: Contribution to journalJournal articleResearchpeer-review


The Kapitza resistance (RK) between few-layer graphene (FLG) and water was studied using molecular dynamics simulations. The RK was found to depend on the number of the layers in the FLG though, surprisingly, not on the water blockthickness. This distinct size dependence is attributed to the large difference in the phonon mean free path between the FLG and water. Remarkably, RK is strongly dependent on the layering of water adjacent to the FLG, exhibiting an inverse proportionality relationship to the peak density of the first water layer, which is consistent with better acoustic phonon matching between FLG and water. These findings suggest novel ways to engineer the thermal transport properties of solid−liquidinterfaces by controlling and regulating the liquid layering at the interface.
Original languageEnglish
JournalNano Letters
Issue number9
Pages (from-to)5744-5749
Publication statusPublished - 2015


  • Liquid layering
  • Solid−liquid interface
  • Kapitza resistance
  • Few-layer graphene
  • Molecular dynamics simulation


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