Surface Impurities Are Not Responsible For the Charge on the Oil/Water Interface: A Comment

The origin of the charge on oil/water interfaces that can be found from electrokinetic mobility measurements is a long‐standing issue that has invoked different explanations. Sum frequency scattering (SFS) shows that impurities are likely not a general cause for the charge (see picture).

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2012-12, Vol.51 (52), p.12938-12940
Main Authors: Jena, Kailash C., Scheu, Rüdiger, Roke, Sylvie
Format: Article
Language:English
Subjects:
interface
nanodroplets
nonlinear light scattering
oil
water
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Description
Summary:The origin of the charge on oil/water interfaces that can be found from electrokinetic mobility measurements is a long‐standing issue that has invoked different explanations. Sum frequency scattering (SFS) shows that impurities are likely not a general cause for the charge (see picture).
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201204662