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Journal of Materials Science

, Volume 44, Issue 1, pp 166–169 | Cite as

Fabrication and luminescence properties of Eu-complex/polyimide composite nanoparticles

  • Takayuki Ishizaka
  • Hitoshi Kasai
  • Hachiro Nakanishi
Article

Abstract

Nanoparticles composed of Eu-complex and polyimide were successfully fabricated through an improved reprecipitation method, followed by a chemical imidization. In this process, the excess addition of triethylamine, which inhibits acid decomposition of Eu-complex, provided intense luminescent nanoparticles. These nanoparticles showed intense red luminescence assigned to Eu3+, which showed broader peaks compared with an Eu-complex powder and peak shifts. These results imply that Eu-complex molecules were dispersed in the PI matrix homogeneously and strongly affected by the matrix. Moreover, composition with polyimide improved UV resistance of Eu-complex.

Keywords

Polyimide Luminescence Intensity Rare Earth Complex Composite Nanoparticles Amic Acid 

Notes

Acknowledgement

We thank Mr. T. Yokoo and Dr. F. Orito, Mitsubishi Chemical Co., for supplying us with Eu(DBM)3TPPO.

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Takayuki Ishizaka
    • 1
    • 2
  • Hitoshi Kasai
    • 1
  • Hachiro Nakanishi
    • 1
  1. 1.Institute of Multidisciplinary Research for Advanced MaterialsTohoku UniversitySendaiJapan
  2. 2.Research Center for Compact Chemical ProcessAIST (National Institute of Advanced Science and Technology)SendaiJapan

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