Soret effect in interacting micellar solutions.

@article{Piazza2002SoretEI,
  title={Soret effect in interacting micellar solutions.},
  author={Roberto Piazza and Andrea Guarino},
  journal={Physical review letters},
  year={2002},
  volume={88 20},
  pages={
          208302
        }
}
We show that electrostatic effects have a dramatic influence on thermal diffusion of charged micelles. In the dilute regime, the Soret coefficient strongly decreases with the solution ionic strength, and scales as the square of the Debye-Hückel length. Yet, collective effects yield a reversed scenario even at fairly low surfactant concentration. We find that single-particle behavior can be explained using an interfacial tension mechanism proposed by Ruckenstein, which also fairly accounts for… CONTINUE READING

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