Depletion Potentials Induced by Charged Colloidal Rods

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2004
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Helden, Laurent
Koenderink, Gijsje H.
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Langmuir. 2004, 20(14), pp. 5662-5665. ISSN 0743-7463. eISSN 1520-5827. Available under: doi: 10.1021/la049571l
Zusammenfassung

We present direct depletion potential measurements for a single colloidal sphere close to a wall in suspensions of charged colloidal rods. In contrast to earlier studies of purely entropic systems (Helden et al. Phys. Rev. Lett. 2003, 90, 048301), here electrostatic interactions are important. These enhance the depletion attraction and lead to repulsive parts in the interaction potentials, indicating correlation effects between the rods.

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ISO 690HELDEN, Laurent, Gijsje H. KOENDERINK, Paul LEIDERER, Clemens BECHINGER, 2004. Depletion Potentials Induced by Charged Colloidal Rods. In: Langmuir. 2004, 20(14), pp. 5662-5665. ISSN 0743-7463. eISSN 1520-5827. Available under: doi: 10.1021/la049571l
BibTex
@article{Helden2004-07Deple-39427,
  year={2004},
  doi={10.1021/la049571l},
  title={Depletion Potentials Induced by Charged Colloidal Rods},
  number={14},
  volume={20},
  issn={0743-7463},
  journal={Langmuir},
  pages={5662--5665},
  author={Helden, Laurent and Koenderink, Gijsje H. and Leiderer, Paul and Bechinger, Clemens}
}
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