Solution Behavior of Poly(styrene)-b lock-poly(2-vinylpyridine) Micelles Containing Gold Nanoparticles

Solution Behavior of Poly(styrene)-b lock-poly(2-vinylpyridine) Micelles Containing Gold Nanoparticles

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 spherica...

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Veröffentlicht in:Macromolecules 2000-06, Vol.33 (13), p.4791-4798
Hauptverfasser: Mössmer, Stefan, Spatz, Joachim P, Möller, Martin, Aberle, Thomas, Schmidt, Jürgen, Burchard, Walther
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container_end_page 4798
container_issue 13
container_start_page 4791
container_title Macromolecules
container_volume 33
creator Mössmer, Stefan
Spatz, Joachim P
Möller, Martin
Aberle, Thomas
Schmidt, Jürgen
Burchard, Walther
description 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 R g/R h ratio) to large anisomeric objects (large R g/R h 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.
doi_str_mv 10.1021/ma992006i
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title Solution Behavior of Poly(styrene)-b lock-poly(2-vinylpyridine) Micelles Containing Gold Nanoparticles
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