Giant hollow fiber formation through self-assembly of oppositely charged polyelectrolyte brushes and Gold nanoparticles

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Crassous_244526.pdf
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2013
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Crassous, Jerome J.
Millard, Pierre-Eric
Mihut, Adriana M.
Drechsler, Markus
Ballauff, Matthias
Schurtenberger, Peter
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Soft Matter. 2013, 9(38), pp. 9111-9118. ISSN 1744-683X. eISSN 1744-6848. Available under: doi: 10.1039/C3SM51200B
Zusammenfassung

We report on the use of binary mixtures of oppositely charged gold nanoparticles (AuNPs) and spherical polyelectrolyte brushes (SPBs), consisting of a polystyrene core onto which long polystyrene sulfonate chains are grafted, as a simple model system to investigate the influence of directional interactions on self-assembly. We demonstrate that the mixing ratio, i.e., the number of AuNPs per SPB, has a profound influence on self-assembly. In particular we report on the formation of giant hollow fibers, and present a thorough characterization of these nanostructures. We speculate that the adsorption of a few AuNPs on the SPBs appears to direct the tubular self-assembly, and discuss the analogy to the case of modified proteins such as tubulin under the action of nucleotides.

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Fachgebiet (DDC)
540 Chemie
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Kolloid, Nanopartikel, Selbstorganisation, Faser, Self-assembly, polymer brushes, gold nanoparticles, hollow fibers, hierarchical nanostructures
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ISO 690CRASSOUS, Jerome J., Pierre-Eric MILLARD, Adriana M. MIHUT, Alexander WITTEMANN, Markus DRECHSLER, Matthias BALLAUFF, Peter SCHURTENBERGER, 2013. Giant hollow fiber formation through self-assembly of oppositely charged polyelectrolyte brushes and Gold nanoparticles. In: Soft Matter. 2013, 9(38), pp. 9111-9118. ISSN 1744-683X. eISSN 1744-6848. Available under: doi: 10.1039/C3SM51200B
BibTex
@article{Crassous2013Giant-24452,
  year={2013},
  doi={10.1039/C3SM51200B},
  title={Giant hollow fiber formation through self-assembly of oppositely charged polyelectrolyte brushes and Gold nanoparticles},
  number={38},
  volume={9},
  issn={1744-683X},
  journal={Soft Matter},
  pages={9111--9118},
  author={Crassous, Jerome J. and Millard, Pierre-Eric and Mihut, Adriana M. and Wittemann, Alexander and Drechsler, Markus and Ballauff, Matthias and Schurtenberger, Peter}
}
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