Chem. J. Chinese Universities

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Synthesis and Properties of a Novel Charge Trasfer Type of Molecule FcBAK/Molybdophosphoric Acid Composite

WU Ying1*, LI Zheng1, JU Jin-Mei2, WEN Di-Jiang2   

    1. Institute of Chemistry and Chemical Engineering,
    2. Institute of Material Engineering, Suzhou University, Suzhou 215123, China
  • Received:2007-09-24 Revised:1900-01-01 Online:2008-04-10 Published:2008-04-10
  • Contact: WU Ying

Abstract: A novel organic-inorganic molecule with a composition of [Fe(C5H5)2COC2H2C6H5]3HPMo12O40·2H2O was synthesized by solid-state reaction at room temperature. The compound was characterized via elemental analysis, IR, ICP, AAS, TG. The results of solid electronic absorption spectra and ESR spectra show that charge transfer between Fe(C5H5)2COC2H2C6H5(1-ferrocenyl-3-benzoyl-2-alkene-1-ketone, short of FcBAK) and polyoxometalate anion(molybdophosphoric) took place and the polyoxometalate anion formed a mixed valence compound. Magnetic measurement result shows that the compound is a ferromagnetic materials, with its Ms=0.41 A·m2/kg, Hc=0.0105 T. The relationship between the structure and magnetic propety has been discussed. This work provides a way for design and synthesis of novel organic-inorganic magnetic materials.

Key words: Organic-inorganic molecular composite molecule, Ferrocene derivative, Molybdophosphoric acid, Charge transfer, Ferromagnetic property

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