Synthesis and characterization of metallo-supramolecular micelles

J.M.W. Gohy, B.G.G. Lohmeijer, B. Decamps, E. Leroy, S. Boileau, J.A. Broek, van den, D. Schubert, W. Haase, U.S. Schubert

Research output: Contribution to journalArticleAcademicpeer-review

17 Citations (Scopus)


Two different metallo-supramol. amphiphilic block copolymers have been synthesized, using a hydrophilic poly(ethylene oxide) block connected through a bis-(2,2':6'2''-terpyridine-ruthenium) complex either to a hydrophobic polystyrene or to a poly(ethylene-co-butylene) block. These copolymers were used to prep. aq. micelles. The morphol. characterization of the metallo-supramol. micelles was performed by dynamic light scattering and transmission electron microscopy. Besides individual micelles, larger structures were also obsd. by these two independent techniques. The larger structures were the result of aggregation of individual micelles. In addn., the influence of the ionic strength of the medium was investigated. Although the metallo-supramol. copolymers do not contain charged blocks, the corresponding micelles behaved as polyelectrolyte-like micelles. This behavior was attributed to the presence of NaCl ions, strongly assocd. to the poly(ethylene oxide) blocks. This was evidenced by transmission electron microscopy, that revealed the presence of the salt in the metallo-supramol. micelles. [on SciFinder (R)]
Original languageEnglish
Pages (from-to)1611-1618
JournalPolymer International
Issue number10
Publication statusPublished - 2003


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