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Journal Articles Journal of Inorganic and General Chemistry / Zeitschrift für anorganische und allgemeine Chemie Year : 2009

Cobalt Ferrite Nanoparticles from Single and Multi-Component Precursor Systems

Abstract

Highly crystalline CoFe2O4 nanoparticles ( ~ 5-6 nm) were synthesized by thermal decomposition of (i) single molecular precursor CoFe2(OtBu)8 and (ii) stoichiometric mixture of individual metal precursors. The precursors were thermolyzed in a high-boiling solvent (Docosane, bp. 369 oC) to produce uniformly dispersed cobalt ferrite nanoparticles in the case of molecular precursor, whereas bimodal distribution of nanoparticles was obtained in the multi-source synthesis. TG/DSC and HR-TEM reveraled single and multi-step decomposition profiles and differential nucleation steps in the two cases, which influence size dispersion and phase purity.

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Dates and versions

hal-00484129 , version 1 (18-05-2010)

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Sanjay Mathur, Christian Cavelius, Karsten Moh, Hao Shen, Jürgen Bauer. Cobalt Ferrite Nanoparticles from Single and Multi-Component Precursor Systems. Journal of Inorganic and General Chemistry / Zeitschrift für anorganische und allgemeine Chemie, 2009, 635 (6-7), pp.898. ⟨10.1002/zaac.200900010⟩. ⟨hal-00484129⟩

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