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Preparation, thermal decomposition and lifetime of europium tris(dibenzoylmethanato)phenanthroline complex doped xerogel

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Abstract

The Eu tris(dibenzoylmethanato)phenanthroline complex doped xerogel has been synthesized by a catalyst-free sol-gel roure. The non-isothermal kinetic analysis is calculated by Friedman isoconversional method and multivariate non-linear regression method. The overall decomposition process below 600°C is fitted by an Fn model (n order reaction), corresponding to the dehydration of the matrix, and a two-step consecutive reaction of Cn model (n order autocatalytic reaction), corresponding to the decomposition of organic complex. Correlation coefficient is 0.99986. The lifetime values of xerogel, defined as the 5% decomposition of europium organic complex, indicate that the xerogel can find application at near room temperature.

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Authors and Affiliations

  1. College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, China, 430072

    J.-H. Hong, J. Min, G.-H. Guo & K.-L. Zhang

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  1. J.-H. Hong
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  2. J. Min
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  3. G.-H. Guo
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  4. K.-L. Zhang
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Correspondence to K.-L. Zhang.

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Hong, JH., Min, J., Guo, GH. et al. Preparation, thermal decomposition and lifetime of europium tris(dibenzoylmethanato)phenanthroline complex doped xerogel. J Therm Anal Calorim 86, 347–350 (2006). https://doi.org/10.1007/s10973-005-7306-3

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  • DOI: https://doi.org/10.1007/s10973-005-7306-3

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