Spatial distribution of nanocrystals imaged at the liquid-air interface

J. Rijssel, Marte van der Linden, J.D. Meeldijk, R.J.A. van Dijk-Moes, A.P. Philipse, B.H. Erné

Research output: Contribution to journalArticleAcademicpeer-review


The 3D distribution of nanocrystals at the liquid-air interface is imaged for the first time on a single-particle level by cryogenic electron tomography, revealing the equilibrium concentration profile from the interface to the bulk of the liquid. When the surface tension of the liquid is decreased, the interaction of the nanocrystals with the liquid-air interface shifts from adsorption to desorption. Macroscopic surface tension measurements do not detect this transition, due to the presence of surface-active molecular species.
Original languageEnglish
Article number108302
Pages (from-to)1-5
Number of pages5
JournalPhysical Review Letters
Publication statusPublished - 2013


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