Aqueous metallo-supramolecular micelles with spherical or cylindrical morphology

Gohy, Jean-François;Lohmeijer, Bas G.;Alexeev, Alexander;Wang, Xiao-Song;Schubert, Ulrich S.;et.al.
(2006) ACS Symposium Series — Vol. 928, p. 30-42 (2006)

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  • Gohy, Jean-FrançoisUCLouvain
    Author
  • Lohmeijer, Bas G.University of Technology and Dutch Polymer Institute
    Author
  • Alexeev, AlexanderUniversity of Technology and Dutch Polymer Institute
    Author
  • Wang, Xiao-SongUniversity of Toronto
    Author
  • Schubert, Ulrich S.University of Technology and Dutch Polymer Institute
    Author
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Abstract
Supramolecular AB diblock copolymers have been prepared by the sequential self-assembly of terpyridine end-functionalized polymer blocks using Ru(III)/Ru(II) chemistry. Since this synthetic strategy has been used to attach hydrophobic polystyrene, PS, or poly(ferrocenylsilane), PFS, to a hydrophilic poly(ethylene oxide) block, amphiphilic metallo-supramolecular diblock copolymers have been obtained. These compounds form micelles in water, that were characterized by a combination of dynamic and static light scattering, transmission electron and atomic force microscopies. These techniques revealed the formation of spherical micelles for the PS-based systems while rod-like micelles are observed for the PFS-containing copolymer. This difference is attributed to the propensity of PFS to crystallize in the micellar core.
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Gohy, J.-F., Lohmeijer, B. G., Alexeev, A., Wang, X.-S., Manners, I., Winnik, M., & Schubert, U. S. (2006). Aqueous metallo-supramolecular micelles with spherical or cylindrical morphology. ACS Symposium Series, 928, 30-42. https://doi.org/10.1021/bk-2006-0928.ch003 (Original work published 2006)