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Time-resolved Eu luminescence spectra and kinetics at various Y zeolitic environments

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Abstract

Time-resolved spectra and kinetic profiles as well as static spectra of Eu luminescence are measured to understand the binding site characteristics and migration of catalytically important metal cations in Y zeolite. As calcination temperature increases, stoichiometrically exchanged Eu3+ ions, initially hydrated at indefinite sites in the supercage, pass through site II' to migrate into sites I and I' first and the remnants, after binding at sites I and I', stay at site II'.

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Authors and Affiliations

  1. Department of Chemistry and Research Institute of Molecular Science, Seoul National University, Seoul, 151-742, Korea E-mail:

    Sunbae Lee, Hanshin Hwang, Pilseok Kim & Du-Jeon Jang

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  1. Sunbae Lee
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  2. Hanshin Hwang
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  3. Pilseok Kim
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  4. Du-Jeon Jang
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Lee, S., Hwang, H., Kim, P. et al. Time-resolved Eu luminescence spectra and kinetics at various Y zeolitic environments. Catalysis Letters 57, 221–226 (1999). https://doi.org/10.1023/A:1019080506836

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