Publikation: Dual mechanism of energy transfer in benzoate sensitized luminescence of Eu3+ and Tb3+
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1996
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Journal of Information Recording. 1996, 23, pp. 79-84
Zusammenfassung
Benzoate has been studied as a sensitizer of Eu3+ and Tb3+ luminescence in aqueous and methanolic solution. In solutions with low concentrations of the lanthanide ions the mechanism is dynamic involving free benzoate triplets. At higher concentrations a switchover to a static mechanism involving complexed benzoate occurs. In the case of Eu3+ the dynamic sensitization is 3 times as efficient as the static one, which is explained by CT-quenching of singlet benzoate in the complex. The emission quantum yield of Eu3+ and Tb3+ benzoate complexes increases with the number of benzoate ligands.
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Fachgebiet (DDC)
540 Chemie
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electronic energy transfer, luminescence, rare earth ion complexes
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SCHROTT, Werner, H. BÜCHNER, Ulrich STEINER, 1996. Dual mechanism of energy transfer in benzoate sensitized luminescence of Eu3+ and Tb3+. In: Journal of Information Recording. 1996, 23, pp. 79-84BibTex
@article{Schrott1996mecha-9543, year={1996}, title={Dual mechanism of energy transfer in benzoate sensitized luminescence of Eu3+ and Tb3+}, volume={23}, journal={Journal of Information Recording}, pages={79--84}, author={Schrott, Werner and Büchner, H. and Steiner, Ulrich} }
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