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Solution Structure of Metal Particles Prepared in Unimolecular Reactors of Amphiphilic Hyperbranched Macromolecules

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Datum

2004

Autor:innen

Garamus, Vasil M.
Maksimova, Tatiana
Richtering, Walter
Aymonier, Cyril
Thomann, Ralf
Antonietti, Lydie

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http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-65621
DOI (zitierfähiger Link)
https://doi.org/10.1021/ma048965g
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Attribution-NonCommercial-NoDerivs 2.0 Generic

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Open Access Green

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Chemie: Publikationen
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Macromolecules. 2004, 37(21), pp. 7893-7900. ISSN 0024-9297. eISSN 1520-5835. Available under: doi: 10.1021/ma048965g

Zusammenfassung

The structure of metal nanoparticles templated by amphiphilic hyperbranched polyethylenimine- amides in apolar organic solution was studied by means of small-angle neutron scattering (SANS). SANS measurements at different concentrations revealed that the neat polymer is present as nonaggregated unimolecular micelles for a polymer with Mw 3.9 X 10000 g mol-1 and that silver particles are stabilized by a single polymer molecule. For a polymer of Mw 1.2 X 10000 g mol-1, some aggregation occurs upon loading with the silver salt (AgNO3) and particle formation. Contrast variation experiments were performed employing different compositions of C6D6 and C6H6 in the solvent mixture. For the larger molar mass polymer a homogeneous distribution is found for the polymer/metal particle hybrides, whereas for the lower molecular weight polymer the metal particles are off-center.

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540 Chemie

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ISO 690GARAMUS, Vasil M., Tatiana MAKSIMOVA, Walter RICHTERING, Cyril AYMONIER, Ralf THOMANN, Lydie ANTONIETTI, Stefan MECKING, 2004. Solution Structure of Metal Particles Prepared in Unimolecular Reactors of Amphiphilic Hyperbranched Macromolecules. In: Macromolecules. 2004, 37(21), pp. 7893-7900. ISSN 0024-9297. eISSN 1520-5835. Available under: doi: 10.1021/ma048965g
BibTex
@article{Garamus2004Solut-10066,
  year={2004},
  doi={10.1021/ma048965g},
  title={Solution Structure of Metal Particles Prepared in Unimolecular Reactors of Amphiphilic Hyperbranched Macromolecules},
  number={21},
  volume={37},
  issn={0024-9297},
  journal={Macromolecules},
  pages={7893--7900},
  author={Garamus, Vasil M. and Maksimova, Tatiana and Richtering, Walter and Aymonier, Cyril and Thomann, Ralf and Antonietti, Lydie and Mecking, Stefan}
}
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