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The Study of the Mechanism of the Local Order Formation near the Iron Atoms during Thermolysis of [Fe3O(OOCCH=CHCOOH)6]OH · 3H2O as the Initial Stage of Nanoparticle Nucleation in Metal–Polymer Systems1

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Abstract

Rearrangement of local order near the Fe atoms was analyzed by the EXAFS spectroscopy during thermal transformation of polymerizing [Fe3O(OOCCH=CHCOOH)6]OH · 3H2O. The following processes were disclosed to be involved in the thermolysis: dehydration with simultaneous rearrangement of the ligand environment, partial removal of maleic acid molecules, and thermal polymerization of the rearranged monomer with the conserved coordination of a trinuclear Fe3O fragment with maleic ligands. The metal carboxylate [Fe3OR6] cluster decomposes without the metal–metal bonding at the initial stage of decarboxylation followed by the formation of Fe–O-containing phases. This process can be considered as the nucleation of nanoparticles in the metal–polymer system.

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Authors and Affiliations

  1. Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432, Russia

    A. D. Pomogailo, A. S. Rozenberg & G. I. Dzhardimalieva

  2. Institute of Physics, Rostov State University, pr. Stachki 194, Rostov-on-Don, 344104, Russia

    V. G. Vlasenko & A. T. Shuvaev

Authors
  1. A. D. Pomogailo
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  2. V. G. Vlasenko
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  3. A. T. Shuvaev
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  4. A. S. Rozenberg
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  5. G. I. Dzhardimalieva
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Pomogailo, A.D., Vlasenko, V.G., Shuvaev, A.T. et al. The Study of the Mechanism of the Local Order Formation near the Iron Atoms during Thermolysis of [Fe3O(OOCCH=CHCOOH)6]OH · 3H2O as the Initial Stage of Nanoparticle Nucleation in Metal–Polymer Systems1 . Colloid Journal 64, 472–477 (2002). https://doi.org/10.1023/A:1016824121525

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  • DOI: https://doi.org/10.1023/A:1016824121525

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