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  1. 1 Acta Physica Polonica A

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  1. 1 1993

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  1. 1 Dong W.

  2. 1 Flint C.

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Intermolecular Energy Transfer Between Lanthanide Complex Ions in Micellar Solution

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Dong W., Flint C.
Acta Physica Polonica A
|
1993
|
vol. 84
|
issue 5
985-992
EN
Two different procedures for the study of the quenching of excited states by lanthanide complex ions on the surface of micelles are considered. In the first, excited Tb(pdc)_{3}^{3-} (pdc = pyridine 2,6-dicarboxylate) complex ions are held in close proximity to other Ln(pdc)_{3}^{3-} ions on the surface of cetyl trimethyl ammonium micelles. Efficient energy transfer is observed by the electric dipole-electric dipole mechanism with a mean interaction distance only slightly greater than that which exists in the crystalline complexes. In the second, the excited state of Tb(pdc)_{3}^{3-} is depopulated by energy transfer to the coexcited lowest excited triplet state of phenanthrene which is thereby excited to the second triplet state.
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