Interaction of similarly charged surfaces mediated by nanoparticles

Klemen Bohinc; Leo Lue

doi:10.1007/s10118-011-1053-7

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Interaction of similarly charged surfaces mediated by nanoparticles

Special Issue: The 8th International Symposium on Polyelectrolytes (ISP 2010) | Updated：2021-06-21

- Interaction of similarly charged surfaces mediated by nanoparticles
- INTERACTION OF SIMILARLY CHARGED SURFACES MEDIATED BY NANOPARTICLES
- Chinese Journal of Polymer Science 2011年29卷第4期页码：414-420
- Affiliations：
  
  a.Faculty of Health Sciences, University of Ljubljana, SI-1000 Ljubljana, Slovenia
  b.Department of Chemical and Process Engineering, University of Strathclyde, James Weir Building, 75 Montrose Street, Glasgow G1 1XJ, UK
- Author bio：
  
  *Klemen Bohinc, E-mail: klemen.bohinc@zf.uni-lj.si
- Funds：
- DOI：10.1007/s10118-011-1053-7
  中图分类号：
- 收稿：2011-01-05，
  
  修回：2011-02-28，
  
  录用：2011-02-28，
  
  纸质出版：2011
- Accepted：
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Klemen Bohinc, Leo Lue. Interaction of similarly charged surfaces mediated by nanoparticles[J]. Chinese Journal of Polymer Science, 2011,29(4):414-420.

Klemen Bohinc, Leo Lue. INTERACTION OF SIMILARLY CHARGED SURFACES MEDIATED BY NANOPARTICLES[J]. Chinese Journal of Polymer Science, 2011, 29(4): 414-420.
Klemen Bohinc, Leo Lue. Interaction of similarly charged surfaces mediated by nanoparticles[J]. Chinese Journal of Polymer Science, 2011,29(4):414-420. DOI： 10.1007/s10118-011-1053-7.

Klemen Bohinc, Leo Lue. INTERACTION OF SIMILARLY CHARGED SURFACES MEDIATED BY NANOPARTICLES[J]. Chinese Journal of Polymer Science, 2011, 29(4): 414-420. DOI： 10.1007/s10118-011-1053-7.

摘要

Abstract

We study the interaction between two like charged surfaces embedded in a solution of oppositely charged multivalent rod-like counterions. The counterions consist of two rigidly bonded point charges

each of valency

. The strength of the electrostatic coupling increases with increasing surface charge density or valency of the charges. The system is analyzed by employing a self-consistent field theory

which treats the short and long range interactions of the counterions within different approximations. We find that in the weak coupling limit

the interactions are only repulsive. In the intermediate coupling regime

the multivalent rod-like counterions can mediate attractive interactions between the surfaces. For sufficiently long rods

bridging contributes to the attractive interaction. In the strong coupling limit

the charge correlations can contribute to the attractive interactions at short separations between the charged surfaces. Two minima can then appear in the force curve between surfaces.

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