Mössbauer study of oxygen adducts in solid Fe(II) phthalocyanines

E. Kuzmann, Z. Homonnay, A. Mylonakis, H. Yin, Y. Wei, K. Kovács, S. Kubuki, Z. Klencásr, A. Vértes, A. Nath

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Beta iron phthalocyanines (β-FePc) oxygenated at low temperatures were investigated with the help of 57Fe Mössbauer spectroscopy and X-ray diffractometry (XRD). The oxygenation of FePc complex is the key step in the pyrolysis of the flat layered molecules that yields acicular iron carbide particles encaged in uniform carbon shells. Mössbauer spectroscopy revealed that upon oxygenation of β-FePc new species were formed which could be associated with FeIIIPc oxygen adducts in high spin and low spin states. The temperature dependent Mössbauer measurements showed the interconversion of the low spin species into high spin species upon raising the temperature.

Original languageEnglish
Article number012029
JournalJournal of Physics: Conference Series
Issue number1
Publication statusPublished - Jan 1 2010
EventInternational Conference on the Applications of the Mossbauer Effect, ICAME 2009 - Vienna, Austria
Duration: Jul 19 2009Jul 24 2009


ASJC Scopus subject areas

  • Physics and Astronomy(all)

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