Metallized Polyelectrolyte Microcapsules

Hollow and filled Ni microspheres are fabricated by a photocatalytic approach using polyelectrolyte capsules as templates. Because of the different crystallization conditions existing in the capsule shell and the interior volume, Ni nanorods are formed inside the capsule, whereas only small, spheric...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2005-02, Vol.17 (4), p.468-472
Main Authors: Shchukin, D. G., Ustinovich, E. A., Sukhorukov, G. B., Möhwald, H., Sviridov, D. V.
Format: Article
Language:English
Subjects:
Layer-by-layer assembly
metal
Nanocomposites
Nanostructures
Nanostructures, metal
Nickel
Template-directed assembly/synthesis
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Summary:Hollow and filled Ni microspheres are fabricated by a photocatalytic approach using polyelectrolyte capsules as templates. Because of the different crystallization conditions existing in the capsule shell and the interior volume, Ni nanorods are formed inside the capsule, whereas only small, spherical Ni nanoparticles are obtained in the capsule shell (see Figure). The metallized polyelectrolyte shell is sensitive to the pH and possesses pH‐controlled permeability.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200401031