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Ion-specific forces between a colloidal nanoprobe and a charged surface
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Theoretical Physics .
2007 (English)In: Langmuir, ISSN 0743-7463, Vol. 23, no 14, 7456-7458 p.Article in journal (Refereed) Published
Abstract [en]

We investigate the effect of ion-specific potentials on the force between a nanoprobe attached to a cantilever tip, and a charged surface. The probe is treated as a spherical nanoparticle with constant charge. A modified Poisson-Boltzmann equation in bispherical coordinates is used to address this problem in a more quantitative way. We predict that the ion-specific series of measured forces depend on the sign and magnitude of surface charge densities.

Place, publisher, year, edition, pages
2007. Vol. 23, no 14, 7456-7458 p.
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-45942DOI: 10.1021/1a700690gOAI: diva2:266838
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2011-01-11

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Boström, Mathias
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The Institute of TechnologyTheoretical Physics
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