Influence of Polymer-Excluded Volume on the Phase-Behavior of Colloid-Polymer Mixtures

P. G. Bolhuis, A. A. Louis, and J-P. Hansen
Phys. Rev. Lett. 89, 128302 – Published 3 September 2002

Abstract

We determine the depletion-induced phase-behavior of hard-sphere colloids and interacting polymers by large-scale Monte Carlo simulations using very accurate coarse-graining techniques. A comparison with standard Asakura-Oosawa model theories and simulations shows that including excluded-volume interactions between polymers leads to qualitative differences in the phase diagrams. These effects become increasingly important for larger relative polymer size. Our simulation results agree quantitatively with recent experiments.

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  • Received 29 April 2002

DOI:https://doi.org/10.1103/PhysRevLett.89.128302

©2002 American Physical Society

Authors & Affiliations

P. G. Bolhuis1, A. A. Louis2, and J-P. Hansen2

  • 1Department of Chemical Engineering, University of Amsterdam, Nieuwe Achtergracht 166, 1018 WV, Amsterdam, The Netherlands
  • 2Department of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW, Cambridge, United Kingdom

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Issue

Vol. 89, Iss. 12 — 16 September 2002

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