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Issue 2, 2010
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Measuring the three-phase contact angle of nanoparticles at fluid interfaces

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Abstract

We report a generic technique to image and study the wettability of spherical nanoparticles adsorbed at liquid surfaces and demonstrate that nanoparticle monolayers can be imprinted at air–water and oil–water interfaces and their three-phase contact angle at the original liquid interface can be determined by an atomic force microscopy scan on a replica of the interface; the technique is tested using four different types of nanoparticles, the smallest one having a radius of 37 nm.

Graphical abstract: Measuring the three-phase contact angle of nanoparticles at fluid interfaces

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Article information


Submitted
22 Aug 2009
Accepted
28 Oct 2009
First published
11 Nov 2009

Phys. Chem. Chem. Phys., 2010,12, 328-331
Article type
Communication

Measuring the three-phase contact angle of nanoparticles at fluid interfaces

L. N. Arnaudov, O. J. Cayre, M. A. Cohen Stuart, S. D. Stoyanov and V. N. Paunov, Phys. Chem. Chem. Phys., 2010, 12, 328
DOI: 10.1039/B917353F

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