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Luminescence of polymer electrolytes containing europium (III)

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Abstract

The excitation and emission spectra of polymeric matrices—poly(ethylene oxide), PEO, and poly(propylene oxide), PPO—containing different concentrations of EuBr3 were recorded and most of the observed transitions identified. The Stark components of the 7F0−4, 5D0 levels and the corresponding barycenters were calculated based on the emission lines assignment to the 5D0,1 → 7F0−4 transitions. The spectra were discussed in terms of a C2v local Eu3+ coordination. The relative intensity of the 5D0 → 7F2 hypersensitive transition was related to the electrolyte morphological changes due to increasing europium concentration.

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Authors and Affiliations

  1. Departamento de Física, Universidade de Évora and Centre for Microsystems, Instituto Superior Técnico, 1096 Lisboa, 7001, Évora Codex, Portugal

    L. D. Carlos

  2. Departamento de Física, Universidade de Aveiro, 3800, Aveiro, Portugal

    M. Assunção

  3. Departamento de Química, Institute Superior Técnico and Centre for Microsystems, Instituto Superior Técnico, 1096, Lisboa, Portugal

    L. Alcácer

Authors
  1. L. D. Carlos
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  2. M. Assunção
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  3. L. Alcácer
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Carlos, L.D., Assunção, M. & Alcácer, L. Luminescence of polymer electrolytes containing europium (III). Journal of Materials Research 10, 202–210 (1995). https://doi.org/10.1557/JMR.1995.0202

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  • DOI: https://doi.org/10.1557/JMR.1995.0202

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