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Proceedings Paper

Dye-sensitized one- and two-photon near-IR fluorescence of lanthanide (III) ions in solution
Author(s): Teimur A. Shakhverdov; Parviz A. Shakhverdov; Elena B. Sveshnikova
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Paper Abstract

A short review of our published and unpublished studies and investigations of other authors on the sensitization by dyes of near-IR fluorescence of Yb(III) and Nd(III) in solutions and polymers is given. Yb(III) fluorescence lifetimes in different solvents and rate constants of intramolecular energy transfer from triplet state of Eosin to Yb(III) were measured for such systems. Mechanisms of non-radiative transition in Yb(III) salt solutions is discussed. The sensitization of Yb(III) fluorescence by eosinate methylene blue in PMMA was found to occur. Sensitized near-IR fluorescence of Nd(III) also has been detected under two-photon picosecond excitation in DMSO and under one-photon steady-state excitation in POCl3 + SnCl4 through intra- and intermolecular energy transfer respectively.

Paper Details

Date Published: 8 May 1995
PDF: 10 pages
Proc. SPIE 2388, Advances in Fluorescence Sensing Technology II, (8 May 1995); doi: 10.1117/12.208488
Show Author Affiliations
Teimur A. Shakhverdov, S.I. Vavilov State Optical Institute (Russia)
Parviz A. Shakhverdov, S.I. Vavilov State Optical Institute (Russia)
Elena B. Sveshnikova, S.I. Vavilov State Optical Institute (Russia)

Published in SPIE Proceedings Vol. 2388:
Advances in Fluorescence Sensing Technology II
Joseph R. Lakowicz, Editor(s)

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