Preparation and characterization of SiO2 microspheres doped with CoFe2O4 nanocrystals

0357887 - ÚACH 2011 RIV PL eng J - Journal Article
Tyrpekl, V. - Poltierová Vejpravová, J. - Plocek, Jiří - Nižňanský, D.
Preparation and characterization of SiO2 microspheres doped with CoFe2O4 nanocrystals.
Materials Science-Poland. Roč. 28, č. 1 (2010), s. 129-137. ISSN 0137-1339
R&D Projects: GA ČR GA106/07/0949
Institutional research plan: CEZ:AV0Z40320502
Keywords : sol-gel * microemulsion * cobalt ferrite * microspheres * nanocomposite
Subject RIV: CA - Inorganic Chemistry
Impact factor: 0.336, year: 2010

Main goal of the reported work was to fabricate silica microspheres doped with magnetic nanocrystals. Cobalt ferrite nanocrystals were fabricated separately via surfactant-assisted coprecipitation. The sol-gel method in microemulsion was subsequently used for encapsulating of the magnetic nanonanocrystals into the silica microspheres. Final products were characterized by various techniques and magnetic measurements. The obtained silica microspeheres doped with CoFe2O4 were of average diameter 11 mu m.
Permanent Link: http://hdl.handle.net/11104/0196066