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Microsize and Nanosize BPO4 from Pyrolysis of a Carborane-Substituted Polyphosphazene

  • Carlos Díaz
  • Domingo Abizanda
  • Josefina Jiménez
  • Antonio Laguna
  • Maria Luisa Valenzuela
Article

Pyrolysis in air of the carborane-substituted polyphosphazene, {[NP({OCH2}2C2B10H10)]0.5 [NP({OCH2}2C2B9H10· NBu4)]0.5} n affords BPO4 crystals of varied sizes in the micro and nano regime.The materials were characterised by IR spectroscopy, SEM-EDAX, TEM, X-ray diffraction, and DTA analysis. A possible mechanism for the formation of these materials is discussed and compared with that found for the formation of metallic nanostructured materials from the pyrolysis of anchored organometallic derivatives of polyphosphazenes.

Keywords

Polyphosphazenes carborane boron-nanoparticles organometallic polymers pyrolysis. 

Notes

Acknowledgements

This work is supported by Fondecyt (project 1030515), MEC (CTQ2004–05495-C02–01/BQU) and Gobierno de Aragon.

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Copyright information

© Springer Science+Business Media, Inc. 2006

Authors and Affiliations

  • Carlos Díaz
    • 1
  • Domingo Abizanda
    • 2
  • Josefina Jiménez
    • 2
  • Antonio Laguna
    • 2
  • Maria Luisa Valenzuela
    • 1
  1. 1.Department of Chemistry, Faculty of SciencesUniversity of ChileSantiagoChile
  2. 2.Departamento de Química Inorgánica, Instituto de Ciencia de Materiales de AragónUniversidad de Zaragoza-C.S.I.C.ZaragozaSpain

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