Micron-scale hollow polyelectrolyte capsules with nanosized magnetic Fe3O4 inside

Dmitry G. Shchukin, Igor L. Radtchenko, Gleb B. Sukhorukov

Research output: Contribution to journalArticlepeer-review

117 Citations (Scopus)


Two novel methods for imparting magnetic properties to the hollow polyelectrolyte capsules were proposed. The first one includes the impregnation of the capsules with pre-formed Fe3O4 magnetite nanoparticles; the second approach is based on selective synthesis of magnetic Fe3O4 inside the polyelectrolyte capsules filled with polycations. Synthesized Fe3O4 core/polyelectrolyte shell composites were characterized by transmission electron microscopy (TEM) and WAXS techniques. Perspectives of the usage of hollow polyelectrolyte capsules as microreactors for spatially restricted inorganic synthesis were demonstrated.

Original languageEnglish
Pages (from-to)1743-1747
Number of pages5
JournalMaterials Letters
Issue number11
Publication statusPublished - Mar 2003
Externally publishedYes


  • Composite material
  • Magnetite
  • Microencapsulation
  • Microstructures
  • Nanomaterials
  • Polyelectrolyte capsule


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