Solution behavior of poly(styrene)-block-poly(2-vinylpyridine micelles 
containing gold nanoparticles

Mössmer, Stefan; Spatz, Joachim P.; Möller, Martin; Aberle, Thomas; Schmidt, Jürgen; Burchard, Walther

doi:10.1021/ma992006i

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Solution behavior of poly(styrene)-block-poly(2-vinylpyridine micelles containing gold nanoparticles

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Spatz, Joachim P.
Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society;
Biophysical Chemistry, Institute of Physical Chemistry, University of Heidelberg, 69120 Heidelberg, Germany;

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Citation

Mössmer, S., Spatz, J. P., Möller, M., Aberle, T., Schmidt, J., & Burchard, W. (2000). Solution behavior of poly(styrene)-block-poly(2-vinylpyridine micelles containing gold nanoparticles. Macromolecules, 33(13), 4791-4798. doi:10.1021/ma992006i.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002A-1BC0-1

Abstract

Formation and structural transformation of inverse poly(styrene)-block-poly(2-vinylpyridine) micelles whose polyvinylpyridine core was loaded with HAuCl4 or with elementary gold nanoclusters was studied by combined static and dynamic light scattering. A transformation in the morphology from spherical particles (small Rg/Rh ratio) to large anisomeric objects (large Rg/Rh ratio) was observed by decreasing the concentration of the block copolymer below the critical micelle concentration. At this point, the polymer chains are molecularly dispersed and no longer able to prevent uncontrolled growth of the gold nanoclusters.